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    HomeMCT Technology → MCT Tech: New Breakthrogh in Ophthalmology & Optometry:For Myopia with high intraocular pressure/MCT-G/ High-end MCT Technology
     MCT Tech: New Breakthrogh in Ophthalmology & Optometry:For Myopia with high intraocular pressure/MCT-G/ High-end MCT Technology
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    Item No. Myopia with high intraocular Pressure 1
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    Date from 2012/11/21
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    Original PlaceThe United States
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    Rigid Gas Permeable Contact Lens for Orthokeratology can bring good vision and at the same time reduce high IOP which is hig her than 20 mm mercury column

    If want to get more inforamtion about MCT technology, please send an email to 18917037637@189.cn, and tell us you are from www.medidevice.com

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    High-end MCT Technology for Myopia with high intraocular hypertension:

      The principle of MCT technology is to wear the lens at night. A good naked vision during the day time can reduce the tension caused by muscle adjustment, and then relative reduce the intraocular pressure, fully ease the driving force of the increase of myopia and finally effectively control the development of myopia, prevent the emergence of high myopia. Rigid Gas Permeable Contact Lens for Orthokeratology can raise the peripheral cornea, increase the anterior chamber angle indirectly which can promote the return of aqueous, reduce the intraocular pressure to ensure the smooth circulation of aqueous and greatly reduce the risk of optic nerve injury caused by high intraocular pressure!

    Introduction of MCT Technology:
    1.Advanced accurate eye corneal re-shaping technology with digital design that is combined with related eye disease diagnosis and treatment technologies.
    2.A very good effect with 99% success rate.
    3.Close-to-0 complication risk rate.
    4.A new standard optometry technology which can dismiss trial fit, assessment & some other inaccurate technologies.
    5.Unique professional cleaning technology enhances health & effectiveness.
    6.The patented technology--lens cleaning case simplifies & optimizes the usage of sufferers.
    7.Keratopathy prevention & treatment technology of Shanghai Furen Ophthalmonogy ensures corneal health.
    8.Innovative patented technolog--mist tear can moist eyes & make the wearing comfortable.
    9.Unique after-laser-surgery MCT technology can solve surgical complications.
    10.Unique MCT correction technology for high myopia (-1000DS), & high astigmatism (+/- 450DC).
    11.Unique MCT correction technolgy for +300DS hyperopia with astigmatism.
    12.Unique MCT correction technology for presbyopia.
    13.Unique MCT technology for high aberration.
    14.Unique MCT treatment technology for child & adult amblyopia.
    15.A stronger myopia development control technology.
    16.Unique myopic prevention MCT2 technology can reduce myopic degree under some conditions.
    17.Unique corneal curing MCT3 technology can be used in the treatment and control of keratoconus, as well as adults myopic treatment.
    18.The technology which can prevent & treat the combination of myopia & high intraocular pressure.
    19.The treatment technology of leukoma, corneal cicatrix, macular nebula  & nebula caused by a variety of causes.
    20.The diagnosis and treatment technology for pathological myopia (progressive myopia).
    21.The diagnosis and treatment technology for xerophthalmia caused by a variety of causes.
    22.The differential diagnosis, treatment & correction technology for sub-clinical keratoconus.
    23.The position of MCT technology:MCT technology is the interdisciplinary technology of Ophthalmology & Optometry.

    MCT is for the crowed:
      The myopias who do not want to wear glasses, common contact lenses or have an operation; the sufferers who want to prevent and control the development of myopia degrees effectively; the people who want to get uncorrected visual acuity in the daytime. 


           Dynamically analyze the changes of ocular axial length of different types of myopia
                                          WU gang-yue HUANG tang-qin.Jinhua Eye Hospital, Jinhua 321000

    Objective:Dynamically analyze the changes of ocular axial length of different types of myopia(low Myopia group and moderate myopia group, low age group and high age group) after orthokeratology.
    Methods:Select 63 adolescents of wearing MCT Tech Design ortho-k lens in our hospital from 2009 to 2012,male 28, female 35, a total of 121 eyes, ranging in age from 8 to 14 years old,diopter degree≤ -6.00D, with-the-rule astigmatism≤ -1.50D, against-the-rule astigmatism≤-0.75D. To observe the changes of ocular axis after 1 week, 1 month, 3 months, 6 months, 12 months, 18 months, 24 months of wearing Ortho-K contact lens through overnight wear. The volunteers were divided into 4 groups: low myopia group ( the Diopter degree≤ -3.00 D ) and moderate myopia group (-3.00D ~ -6.00 D ); low age group ( 8 to 10 years old ) and aged group( 11~ 14 years old ). This grouping was according to the degree of myopia and age.
    Results:The growth of ocular axis after six months of wearing Ortho-K was statistically significant compared with unwearing ( t=4.68, P<0.05 ). The difference between ocular axial growth of the Moderate myopia group and the low myopia group after wearing a month later was statistically significant ( t=3.4, P<0.05 ), the axial growth of Moderate myopia group was slow, the axial growth between the low age group and the high age group had no significant difference(P>0.05).
    Conclusions:The effect of wearing MCT Tech ortho-k contact lens of controlling myopia is better for Moderate myopia than low myopia, while the factor of age has no effect on controlling myopia.
    【Key words】   Orthokeratology ; myopia control ; axial length  
    Along with the increasing incidence of juvenile myopia, and the appearance in younger ages, more and ophthalmologists select effective way to control myopia. Orthokeratology is accepted by ophthalmologist in both domestic and abroad, but we clinically found that for ortho-k lens, its effect is uneven for different patients. For some wearers, their eye axis changes is little for a year or two years later, but for some wears, after a few months later, the axial became significantly longer and whether there is any objective factors, such as age, diopter, and so on? Now, we will show the treatment effect and the axis reports from our hospital for 3 years.

    1.Clinical Data
      Selected from 63 cases teenagers who firstly wear Ortho-k lenses for over 2 years in 2009 to 2012. There are totally 121 eyes and male 28 cases and female 35 cases. The first wearing is from 8 ~ 14 years old, and the average age is 10.77 ± 1.90. The diopter of spherical power is - 6.00 D or less, the inverse rule astigmatism is - 1.50 DC, and the rule astigmatism is - 0.75 DC or less.
    According to the degree of myopia, the wearers were divided into low myopia group whose spherical power was - 3.00 D or less and there were totally 68 eyes;
    Moderate myopia group whose spherical power was 3.00 D ~ 6.00 D, and there were totally 53;
    According to the first wearing age, there was young age group 8-10 years old which had totally 62 eyes;
    And older age group which is in 11 ~ 14 years old and totally 59 eyes.
      (1) According to the standard fitting process of Ortho-k lens, all cases include the naked eye eyesight test, medical optometry correction, corneal topography curvature test, IOL Master, corneal thickness test, eye disease screening programme, such as slit lamp examination, non-contact intraocular pressure, retinal examination. 
    (2) After excluding all contraindications, customized the lens according to the results of the corneal topographic map and the result of medical optometry.
    (3) Guide patients to wear and maintain lens, and ask patients strictly under the wearing time: wear 8 ~ 10 hours at night. Discuss with parents to and pay special attention to the clean and health. After wearing lens 1 day, 1 week, 1 month, 3 months, 6 months, 12 months, 18 months and 24 months, to do the recheck. The contents are the eyesight, eye axis, corneal topographic map, diopter, corneal thickness, intraocular pressure; Palpebral conjunctiva and bulbar conjunctiva, cornea transparency, damage, and phenomenons such as tears. If you feel unwell or have any abnormal, do the timely treatment, and stop wearing for a few days which are determined by the physician.
    3. Materials & Equipment
      The material of the lens is the third generation of Ortho-k lens, Boston XO whose DK value is 100. The lens is provided by E&E company in the United States; the lens is use reverse geometric four arcs design, and it total diameter is 9.80 ~ 11.60 mm. The lens is designed by Professor Wang in Shanghai Furen ophthalmic hospital. This lens is Ortho-k Leans designed by new digital model technology, and we also call it Rigid Gas Permeable Contact Lens for Orthokeratology. The lens greatly improved the traditional Orthokeratology, mainly used corneal shape, and make the cornea gradually to a more rational deformation, and finally help us to achieve the effect of safe vision correction, Rigid Gas Permeable Contact Lens for Orthokeratology, MCT technology provided by Wuhan Web Science and Technology Development Co., LTD and the measurement of eye axis is by IOL-master optical measurement instrument from Chua′s Company.
    4. Statistical Methods
      Use SPSS19.0 test statistical software to do statistical analysis, and put P < 0.05 as difference. And then, there is statistical significance.
    1.For all the wearer, after wearing for 1 week ~ 1 month, the naked eye vision basically recovered to 1.0; The eye axis changes before and after wearing, and the increase of eye axis is statistically significant. But 1 week and 1month after wearing, if eye axis became slightly shorter, the difference will be with statistically significant. Shown in table 1.
    Table 1      The comparison of eye axis before and after wearing Lens (mm)

    2.Grouped by different degrees of myopia, there was eye axis changes comparison: low myopia and moderate. One month after wearing, there were eye axis growth differences. It was statistically significant. For moderate myopia group, its axis was obviously slower growth. Shown in table 2.
    Table 2      The eye axis changes (mm) of moderate myopia group and low myopia group eye

    3.The changes of Eye axis of younger age and older age shown that each group has no statistically significant difference. Shown in table3.
    Table 3      The axis changes (mm) of younger age and older age



      Orthokeratology in this paper is Ortho-k Leans designed by new digital model technology and we also call it Rigid Gas Permeable Contact Lens for Orthokeratology. It is a kind of reverse geometric designed rigid corneal contact lens, and it not only has the unique effect of myopic correction, but also can control the development progress of myopia. The researches of Chop, Chewng, S W and some other experts shown that: (1), For the group who accept the treatment of Ortho-k lens, the average growth of axial is 0.29 + / - 0.27 mm after 2 years, while for the control group (normal frame glasses), after 2 years, the axial average growth is 0.54 + / - 0.27 mm. Obviously, the former one is only 1/2 of the next one. Xie Peiying [2] and Kakita [3] got the similar results, and the result is similar with the average growth 0.36 + / - 0.27 of eye axis after wearing Rigid Gas Permeable Contact Lens for Orthokeratology for two years in this paper. Although Ortho-K Lens can′t fully control myopia increase, but it played a positive role in myopia control; after wearing lens for a week and a month, the eye axis slightly became shorter. There need more observation and cases to get the answer of the question that if this is connected with the flattening of central cornea after wear Ortho-k Lens or not.
    In clinical work, we can frequently find that the control effect is different for different wearer. If there any objective factors, such as the design? In this paper, we used the latest Rigid Gas Permeable Contact Lens for Orthokeratology design, and try our best to reach the wearing effect.
    And According to the relationship of age and diopter, age will not influence diopter, but, but for the depth of the myopic degree, it have an effect on the control. For example, for moderate myopia group, if the slow axial grow is related to peripheral refractive imaging. Rempt’s [4] studies have shown that for patients who were with peripheral refractive myopia, they were not easy to get myopia, but for the patients who were with the surrounding refractive hyperopia, it is easy to get myopia. Chen Zhi [5] and some other expert confirmed that the Ortho-k lens can reshape the former cornea surface, make the central corneal flattened, peripheral corneal steeped, and then, myopia drift happened in the surrounding diopter. As known to all, modern Ortho-k lens design is four arc design, and the design of arc zone and inverse arc zone of the arc design is related with the decrease of degree, and the higher the degree must be relative to the flat base arc and the steep inverse arc design, in order to provide the good visual quality (6);
    Admittedly, the higher degree needs the more steep reversal arc to let the surrounding refractive imaging drift to myopia. We will discus the reason which makes the eye axis increase: whether it is influence by the difference wearing effect between medium and low myopia, or the difference of low myopic eye axis itself.
     Thanks for the Guidance from Professor Zhang Xinkang in Shanghai Furen Ophthalmic Hospital
    (1)Cho P, Cheung SW, Edwards M.The longitudinal orthokeratology research in children (LORIC) in Hong Kong: a pilot study on refractive changes and myopic control.Curr Eye Res, 2005, 30:71-80.
    (2)Xie Peiying, Wang Zhixin ChiHui: The effects and safety of long-term Orthokeratology in young myopia patients.Chinese Journal of Strabismus & Pediatric Ophthalmology, 2008 (4):145.
    (3)Kakita T,Hiraoka T,Oshika T.Influence of overnight orthokeratology on axial elongation in childhood myopia.Invest Ophthalmol Vis sci,2011,52:2170-2174.
    (4)Rempt F,Hoogerheide J,Hoogonboom WP.Peripheral retinoscopy and the skiagram.Ophthalmologica.1971,162:1-10.
    (5)Chen Zhi Qu XiaoMei, Zhou Xingtao.Effects of orthokeratology on peripheral refraction and its mechanism. Chinese Journal of Optometry Ophthalmology and Visual Science, 2012, 14 (2) : 74.
    (6)Chu Renyuan, Xie Peiying, Main Editor. Modern Orthokeratology. The first edition. Beijing: Peking University Press, 2006.58 

    A Comparison of Clinical Application Between 

    Digital Design Corneal Reshape lens and Traditional Ortho-k lens 

    Jeffrey Jiangqiao Wang, Shanghai Furen Ophthalmology Institute;
    Yu-zhao Hao, Faculty of Optometry, Shanghai Donghua University;
    Hao-yan Feng, Prophylactico - therapetic Center of  Eye Disease ,Shanghai 

    Objective:To explore the effect of digital design corneal reshape lens-- Myopia Corneal Therapy (MCT) on myopia correcting and to investigate its superiority as compared with traditional Ortho-k lens. 
    Methods: 118 eyes of 60 patients from Eye Disease Center of Shanghai in 2004 were arranged to take Rigid Gas Permeable Contact Lens for Orthokeratology or traditional ortho-k lenses(TOL) randomly, their ages ranged from 7 to 19 years old, the data obtained was analyzed by SPSS11.0 software. After wearing 3-mon of MCT or tranditional ortho-k lens , compared with tranditional ortho-k lens, the superiority of MCT on preventing and improving myopia of adolescent was evaluated by analyzing the naked eyesight, topography, centralized positioning, movement and tightness of lens. 
    Results: 3-mon after wearing MCT, the patients’ eyesight(unadded vision) improved significantly, the mean value was 0.81±0.28D, while the mean eyesight of traditional ortho-k lens was 0.58±0.30D, the difference between mean values was significant (t=4.31,P=0.001<0.05) although the difference between mean squares was not significant (F=1.79); More eyes with MCT returned to a round shaped topography ( in MCT is 86.7%, in traditional ortho-k lens is 36.7% ); centralized positioning of lens in 80 percent eyes were good in  MCT, which was higher than that in traditional OKT( 33.3%). All eyes wore MCT had a fine lens movement and it was higher than 73.3% of tranditional ortho-k lens. The tightness of lens in MCT eyes was also better than that in tranditional ortho-k lens (96.6% in MCT vs. 70% in TOL).
    Conclusion: For preventing and correcting myopia in adolescent, to wear MCT was superior to wear traditional ortho-k lens. No adverse effect had been found in two groups.   

    [Key words] MCT; adolescent; myopia     

      The Myopia Corneal Therapy (MCT) lens was developed and designed by the Web Optometry Research Institute, it is a new way to prevent and correcte myopia. Compared with traditional ortho-k lens therapy (TOL), MCT is much creative and has good curative effect. We could learn more about its superiority from the comparison of clinical application between MCT and traditional TOL. 
    1. General data and methods

        1.1 Subjects
      60 patients from Eye Disease Center of Shanghai in 2004 were divided into 2 groups and each group had 30 patients, the patients in groupⅠwere treated with Rigid Gas Permeable Contact Lens for Orthokeratology while those in groupⅡwere treated with traditional ortho-k lens. The 30 MCT patients’ age ranged from 8 years old to 19 years old (mean 14.6±2.5). 21 of 30 in MCT group were female and the remaining 9 were male, 29 left eyes and 29 right eyes. Refraction scope ranged from -1.75 to 10.25D, average was - 5.26 ±1.93D, astigmatism scope ranged from -0.50 to -2.50D, 2 patients were single eye wore (6.7%); The 30 TOL patients’ age ranged from 7 years old to 18 years old (mean 13.1±3.5). 21 of 30 in TOL group were female and the remaining 9 were male, 30 left eyes and 30 right eyes. Refraction scope ranged from -2.25 to 9.50D, average was -5.30 ±1.93D, astigmatism scope ranged from -0.50 to -2.75D. 
        1.2 Methods
      Other eye disease and contraindication were excluded by preocular and fundus examination. After examination of myopia diopter, corneal topography, intraocular tension, the eyelids and tear film, the best parameters of lens were determined and lens were prepared. Then the patients were taught how to wear and care lens. Make a schedule to take on and take of as well as follow up check. Ten times follow up check should be arranged in one month. The item of re-check included cornea, naked eyesight, corneal topography, centralized positioning of lens, tightness and movement degree of lens and so on. To prevent and correcte myopia either by Rigid Gas Permeable Contact Lens for Orthokeratologyor by traditional ortho-k lens belongs to corneal molding, which means it was not by operation but only by taking corneal lens to change the curvature radius in the central of the cornea, then to reduce the power of the myopia and improve the naked eyesight temporarily. After returning to the best eyesight, the lens should be taken every night to consolidate its effect(1) . So the increasing of naked eyesight after taking lens was a key item for evaluation. Which lens was more effective on improving naked eyesight had been compared in this research by us. The decenter of lens would influence the visual function of patient after treatment, so it was also necessary to evaluate the centralized positioning of lens(3 ).
    Statistics analysis: SPSS 11.0 software was used for data statistics analysis in this research. F homogeneity test on mean squares of 2 groups was carried out firstly, then T test was carried out to verify if the new Rigid Gas Permeable Contact Lens for Orthokeratology had an obviously improvement compared with the traditional ortho-k lens, a=0.05.
      Evaluated from the follow up check at 3 months after wearing lens, the naked eyesight of MCT patients had much obvious improvement than that of the TOL patients, and the difference between mean values was significant (t=4.31,P=0.001<0.05) although the difference between mean squares was not significant (F=1.79). The average naked eyesight of MCT patients was obvious higher than that of TOL patients (0.81±0.28 vs. 0.58±0.30); More MCT patients had shown a circle change on corneal topography and that is better than those taking TOL lens, the number of patients with a circle corneal topography was twice as that of TOL patients (shown in Table 1). Centralized positioning of lens in MCT patients was much better than those in TOL patients, the stability of lens in the center of cornea was tightly related to the correction of eyesight and degree of comfort (3), the centralized positioning of lens also had direct influence on the shape-change of cornea and changes of diopter. According to the data in the off-center probability figure, we knew that the positioning of lens in MCT group was much better than that in the traditional ortho-k lens group. Some research indicated that off-center of lens had something to do with the patient selecting and lens design in cornea molding lens therapy, the off-center of lens affected the visual function of patient(3). All patients who wore Rigid Gas Permeable Contact Lens for Orthokeratology had a good movement and were better than those wore traditional ortho-k lens. The degree of tightness of MCT patient was also better than that of TOL patient.

    3. Discussion

      Digitalization corneal reshape lens was a new generation full alignment corneal re-shape lens, and it also was one of cornea molding therapy. It was a new technology developed with corneal topography and was digital designed according to all data of cornea. Because it had a higher rate of success than traditional ortho-k lens, the patients felt much satisfied with it. The simplification of procedure for examination and lens preparation also reduced the doctors’ harassment on lens’ adjusts, because the prescription was no longer determined by trial fitting. The rigid contact lens had been proved to have some effect on preventing myopia progression according to the last research in the Ohio State University, USA(5); but in some condition and to some extend, the Myopia Corneal Therapy had a better effect on correcting and preventing myopia progression according to the research of THOMAS REIM(6). We think the MCT have a better effect on correcting and preventing myopia progression, but it needs high professional skills on ophthalmology and optometry during the examine and lens fitting as well as fellow-up.  The effective and safety service will be available to astigmatism myopic patients if the regulations of SFDA are strictly followed during the whole procedure (4).  
    1. Wang Jiangqiao. Contact  lens Practice. Beijing, The Science and technology Publishing House of China. 1999.9:153-154
    2. Lü Fan, Xie Peiying. Cornea Contactology. Beijing, The People’s Health Publishing House.2004:6,76-77
    3. Yang Xiao, Gong Xiangming, Dai Zuyou, Wei Ling, Li Shuxing.  Analyses of corneal topography of off-centered lens after treatment by cornea molding lens. Chinese Journal of Ophthalmology. 2003:39(6):335-338
    4. Shen Jie. The long-term effect on correction of adolescent myopia by cornea molding operation. Journal of Optometry. 2004,6(2):116-117
    5. Jeffrey J, Walliane OD, et al , A Randomized Trial of the Effects of Rigid Contact Lenses on Myopia Progression, Archives Opthalmol.2004;122;1760-6
    6. Thomas R. Reim. OD, et al, Orthokeratology and Adolesent Myopia Control, Contact Lens Spectrum July 2003


    Successful Cases of MCT Technology for Myopia with High IOP
    Case No. 1:
    Patient´s Problem: Myopia with high IOP
    Condition of  Eyes after wearing Rigid Gas Permeable Contact Lens for Orthokeratology: Healthy
    Topographic Map before Wearing Rigid Gas Permeable Contact Lens for Orthokeratology 
    Topographic Map after  Wearing Rigid Gas Permeable Contact Lens for Orthokeratology 

         Focus on Prevention and Control; Solve the Problem of Myopia with High IOP

      There is no doubt that myopia is the major bad eyesight problem now. Myopic population concentration expands the scope of poor vision, and also makes bad vision more complex. This complication is expressed in that myopic problem is not appearing alone, but with some other eye problems.
    What eye problems will appear together with myopia? I think many people have met this kind of situation: when you go to optical shop because of the decrease of eyesight, optometrist will tell you that you have myopia and astigmatism. Most of time, astigmatism is the "twin brother" of myopia, but it is not the only problem which will happen with myopia. There are also strabismus, and high intraocular pressure. They will bring troubles to myopia correction, and the most difficult one is high intraocular pressure problem.
    If you knew nothing about high intraocular pressure before, then it will be necessary for you to get some idea about it. High intraocular pressure disease is a special phenomenon which was found in the treatment of primary open-angle glaucoma after over 10 years’ clinical practices.
    The reason why high intraocular pressure is special is because the constant increasing of intraocular pressure will oppress optic disk and optic nerve and then lead the necrosis and analosis of them. Now, some people will think about the relationship between high intraocular pressure and glaucoma. Indeed, high intraocular pressure is the major cause of glaucoma. The glaucoma in western countries is commonly primary open-angle glaucoma, but in China, it is primary closed-angle glaucoma. Primary open-angle glaucoma ratio for men and women is 5:2, and chronic angle-closure glaucoma gender ratio is 1:1. 4.
    In China, female is easier to get glaucoma than male, so what about high intraocular pressure and the probability of high intraocular pressure? According to the statistics, the rate of high intraocular pressure is 6%, and the specific analysis is that in the general population, the incidence of high intraocular pressure is about 2%, and for the people who are over the age of forty it is about 4% ~ 10%. There are more women than men too.
    Why did intraocular pressure increase? Intraocular pressure is the pressure from internal vitreous, aqueous humor and other material to the wall of eye ball. Aqueous humor constantly produces and eliminates, then brings nutrition to organizational structures of our eyes, takes away some of the metabolites, and maintains a certain pressure. Intraocular pressure is adjusted through the aqueous humor whose generation and discharge keep a dynamic balance. If the discharge channel of aqueous humor is retard, the intraocular pressure will increase. This is the main reason of the increasing intraocular pressure, so the control of intraocular pressure shall ensure the intraocular aqueous humor circulation is unobstructed.
    From the view of ophthalmologists, the simple high intraocular pressure is easy to deal with, and also the simple myopia. But, once the myopia is combined with high intraocular pressure, this problem will become more difficult.
    There are how many myopic patients with high intraocular pressure? This there is no specific statistical data, but from domestic data, 60% of myopia incidence, you will find that myopia combined with high intraocular pressure is not case-by-case, and many first ranked ophthalmologists also said that myopia combined with high intraocular pressure was more and more common now.
    For patients who get myopia with high intraocular pressure, they not only need to correct their myopia, but also to control the increasing intraocular pressure, and even reduce it. Frame glasses can not to do these two aspects at the same time, and also laser surgery. They can only restore vision, but can´t control the increase of intraocular pressure. Common RGP can control the myopic development, but can´t control the increase of intraocular pressure. A lot of glaucoma patients began from myopia with high intraocular pressure.
    "Actually, high intraocular pressure is a kind of suspected glaucomas. The increase of intraocular pressure is the approved cause to open angle glaucoma in the filed of ophthalmology, and myopia with high intraocular pressure is a dangerous signal. It is more likely to cause glaucoma than simple high intraocular pressure. Glaucoma is a blindness disease, and once gets blind, the disease is almost irreversible. But there are more methods than difficulties. MCT technology has broken through the problem of myopia with high intraocular pressure problem after several years’ study, "Professor Wang said in the interview. He is the chief physician of Shanghai Furen Ophthalmology and his original design MCT technology has bring good vision to for countless patients.
    Commonly, it is difficult to be complete in both respects, but MCT technology does it. Then how does it solve the difficult?
    Firstly, begin from the guarantee of the unobstructed circle of aqueous humor. MCT technology can correct myopia and control the pressure increase through the night wear digital Rigid Gas Permeable Contact Lens for Orthokeratology. Through the driving up of peripheral corneal, it indirectly increases the anterior chamber Angle, promotes aqueous humor backflow, and reduced the intraocular pressure to ensure that the aqueous humor circulation is unobstructed. In addition, night wear lens only need to be wear at night and will be taken off in morning, but the wearer will still with good naked vision. And also, this eliminates the adjust tension of lema, and relative reduces the intraocular pressure.
    These two aspects work together at the same time, and fully control the increase of intraocular pressure, ensure the intraocular pressure is in a stationary state, and greatly reduce the threat of high intraocular pressure which will form glaucoma. In addition, some eye drops can reduce intraocular pressure effectively in the daytime, but not at night effect. MCT technology provides a new method to overcome this problem.
    Even intraocular pressure is under the control, we also must face to myopia problem. Through the directly power from palpebra superior, it stops the increase of eye axis, revises the radian of cornea, and avoids the forward protruding of cornea, makes it more flat and finally reduces the degree of myopia.
    This is MCT technology: a pair of Rigid Gas Permeable Contact Lens for Orthokeratology can solve two problems. It control the intraocular pressure while correct myopia. For patient with myopia and high intraocular pressure, digital Rigid Gas Permeable Contact Lens for Orthokeratology is a good choice.
    Myopia with high intraocular pressure can be solved and control by MCT technology, but in our life, we still need to prevent myopia with high intraocular pressure. We not only need to reasonably and correctly use our eyes, but also do regular physical examination, including intraocular pressure measurement, especially for patients with high myopia. And keep a happy mood is also important, live without wine and tobacco, pay attention to physical exercise, get balanced nutrition. These also can effectively prevent the emergence of high intraocular pressure.
    Dealing with any disease is nothing more than control and prevention. Patients take control measures, and normal people are always with good preparations. The prevention combines with the can greatly reduce the incidence of disease. For myopia with high intraocular pressure, it is the same: we need to do good prevention and control, and then the harm will reduce gradually, and more and more people can have the bright in their whole life.


     Don´t Let Glaucoma and High Myopia Take Your Sight Away 


      Myopia is a common eye problem in China and many people think that there is no effect of wearing glasses in daily life. Although wearing glasses is no longer the symbol of knowledge, but this still makes the myopia becomes a neglected problem! In the view of most of people, myopia is a problem which is only about vague vision, but not about blind, and a pair of glasses can solve all! More and more cases of blindness tell us that high degree myopia is the major indirect cause of the blindness, because high degree myopia is easily to cause glaucoma - which is the major cause of blinding!

      Glaucoma is a disease which is caused by optic nerve damage. Optic nerve is composed by many nerve fibers. When the intraocular pressure intermittently or persistently exceeds the level which the eye can tolerate, it will lead the damage of eye tissues, visual function, nerve fibers and finally the vision defect. Generally speaking, the major cause of glaucoma is the increasing of intraocular pressure!
    In ophthalmology, the anterior chamber of the eye located in the gap which is before the cornea, and in front of the iris and the pupil. The posterior chamber of the eye is in front of lens, and before the iris and the pupil. The anterior and posterior chambers are filled with transparent liquid which is called aqueous. The aqueous constantly circulates in the anterior and posterior chambers, and constantly generates and discharges, so that IOP remained at a stable level. Because the eye is a closed structure, if the aqueous discharge channel - chamber angle blocking, intraocular pressure will increase, and cause a huge pressure on the eye wall which will result optic nerve damage.
    What we say above are the principles of the development of high myopia and also the problems it will bring to us!

      High myopia is commonly more than 600 degrees. It can be inherited, and also can grow from mild myopia! Most of the time, it is associated with high intraocular pressure. Myopia which is over 600 degrees with the increasing of intraocular pressure is a dangerous signal. High intraocular pressure will lead to the further elongation of the axial diameter, and gradually deepen myopia, and then oppress optic nerve. These are the formation of glaucoma.

      Although there are acute angle-closure, subacute angle-closure and chronic angle-closure, primary open-angle glaucoma, high intraocular pressure is the major causes! 

      Currently, the American Academy of Ophthalmology researchers also found the risk of developing glaucoma from myopias is twice times as the normal people. Concentration ratios are 2.46 for the high myopia, 1.77 for low myopia, and critical value is -3D.

      From the data, it is not difficult to get the relationship between myopia and glaucoma. High intraocular pressure caused by high myopia is likely to lead to glaucoma, and glaucoma is likely to take away your vision!
    The prevention of blindness begins with the prevention of glaucoma. The prevention of glaucoma is from the prevention of high intraocular pressure. If want to prevent the high intraocular pressure, we must prevent myopia! If already got high degree myopia, is there any way to control its development? How to control the low degree myopia not turning into high degree myopia?
    After 10 years of continuous improvement and clinical applications, MCT technology which is developed by Shanghai Furen Ophthalmology Institution achieved in the international standards of ophthalmology and optometry in the fields of the control of the development of myopia, intraocular pressure. MCT technology is based on the lens which is designed according to the individual cornea holographic digital data. This lens can correct the cornea curvature and reduce the degree of myopia, to reach a good naked eye vision; it also has remarkable effect in the correction of refractive errors and the control of children and adolescents myopia.  
    The principle of MCT technology is to wear the lens at night. A good naked vision during the day time can reduce the tension caused by muscle adjustment, and then relative reduce the intraocular pressure, fully ease the driving force of the increase of myopia and finally effectively control the development of myopia, prevent the emergence of high myopia. Rigid Gas Permeable Contact Lens for Orthokeratology can raise the peripheral cornea, increase the anterior chamber angle indirectly which can promote the return of aqueous, reduce the intraocular pressure to ensure the smooth circulation of aqueous and greatly reduce the risk of optic nerve injury caused by high intraocular pressure!
    Besides, myopia is all with varying degrees of refractive errors and MCT technology has a wide range of the correction of refractive errors, including the 1000 degrees of myopia, 300 degrees of presbyopia and hyperopia, and 450 degrees of astigmatism, and high degree of anisometropia. And it can also prevent the subclinical keratoconus, the complications of myopia with high intraocular pressure, and the pathological myopia.
    MCT technology can effectively control the formation of high myopia, high intraocular pressure. The control of high intraocular pressure can reduce the risk of glaucoma, and then greatly reduce the risk of blindness!
    MCT technology lets more and more people have a good vision, and devote itself to the prevention and treatment of blindness. More and more people get the good vision it brings to them.

                  MCT technology overcome myopia with high intraocular pressure problem
    What myopic patients worry the most? It´s high myopia. Because it may lead to blindness!
    Some short-sighted patients also suffer from high intraocular pressure. Long-term high intraocular pressure will lead optic nerve atrophy!
    If got myopia mergers with high intraocular pressure, eyes will in highly dangerous status. Vision will shrink and gradually disappear and once blindness merges, it will be irreversible!
    High myopia over 600 degrees with high intraocular pressure is a dangerous signal. High intraocular pressure will lead to further extend of the eye axis, make the myopic degree gradually deepened.
    IOP is the pressure to the eyeball wall which caused by the inner-eyeball substances such as vitreous and aqueous humour. The generation and excretion of aqueous bring the organizational structure of the eyes nutrition, take away some of the metabolites and maintain certain pressure. Intraocular pressure is adjusted by the aqueous humour. The generation and excretion of aqueous achieve a dynamic balance. If the excretion channel of aqueous is blocked, intraocular pressure will increase, causing oppression to optic nerve and killing the optic nerve, this is how glaucoma occurs. Glaucoma is the first factors of irreversible blindness in our country! High myopia people will more likely get glaucoma than normal people.
    Thus, high myopia usually accompanied by high intraocular pressure, and they cause and promote each other, then make serious damage. Preventing myopia from developing into high myopia and guarding against increased intraocular pressure is undoubtedly a career which will prevent blindness at its very beginning. It´s significant!
    After over 10 years of continuous improvement and clinical application, Shanghai Furen Ophthalmology Technology Institute´s achievement research, MCT technology, not only is in accordance with international ophthalmology and optometry in the control of myopic development and increasing intraocular pressure, but also is in the leading role. MCT technology based on different individual corneal like-holographic digital fine design lenses, revise corneas radian; so as to reduce the myopic degree, get a good vision. That has significant effect for all sorts of refractive error correction, children and teen-agers myopia control, and so on.
    MCT technology works by night wearing, and good bare eye sight can eliminate eye flesh adjust tension during the day, relatively reduce intraocular pressure, remove the impetus which lead to myopia deepen. Thus effectively control myopic development, prevent high myopia. Rigid Gas Permeable Contact Lens for Orthokeratologyes raise the surrounding cornea, indirect increase anterior chamber Angle, promote the aqueous backflow, and reduce intraocular pressure, to ensure the cycle of aqueous unobstructed.
    Proactively to overcome the danger of myopia with high intraocular pressure, the MCT technology plays a prominent role. The beneficiary population has been all over the country. The myopia patients, receiving MCT treatment through direct optometric center, authorized hospital, joint center, is growing exponentially.
    It is undeniable that the MCT´s control to the myopia with high intraocular pressure from the source. If you are already in high myopia, you should pay attention to the intraocular pressure and fundus examination each year. If have the phenomenon of eye pain, headache, you should detect and treat early, try your best to reduce intraocular pressure, prevent further damage to the optic nerve and vision, and prevent blindness. Even if the intraocular pressure is controlled, and the optic nerve is no further damaged, you must also be regularly observed referral. If the intraocular pressure is poorly controlled, Shanghai Furen Ophthalmology Technology Institute can provide effective surgical and non-surgical treatment program for patients to lift the danger.
    To promote the development of physical and mental health of young people, the whole society should be missionary to the risk of juvenile myopia combined with high intraocular pressure, let them take care of their eyes and protect their eyesight. Intraocular pressure should be classified as a routine ophthalmic examination of teenagers. Find out the patients with elevated intraocular pressure early, and prevent the glaucoma. Control the development of myopia in the emergence of true myopia by using MCT technology, get the safe and efficient visual quality, and eliminate the ocular possibility of high myopia.
    The original designer of the MCT technology, Professor Wang has been in charge of the 24 hours consultation. As a technical guidance of national MCT authorized hospital and joined Optometric Center, he expressed his willingness to guide the majority of myopia patients overcome myopia with ocular hypertension, and bring a safer and more scientific myopia treatment programs for the general public. (Professor Wang Hotline one eight nine one seven zero three seven six three seven).  

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    • Marcos2013/3/23 11:28:20

      Appreciation for this infromaiton is over 9000-thank you!





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