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    HomeMCT Technology → High-End MCT Tech Saves Your Vision:For presbyopia/MCT-P/High-end MCT Technology
     High-End MCT Tech Saves Your Vision:For presbyopia/MCT-P/High-end MCT Technology
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    Item No. MCT-P for presbyopia 1
    market price $1633.00
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    Date from 2012/11/21
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    Original PlaceThe United States
    ColorGreen & Blue(no color when wearing)
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    Simple presybopia can use MCT technology and reach monocular visual (Monovision) state, and keep vision clear. People wi th both presybopia and myopia use Defraction design Rigid Ga s Permeable Co

    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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    Suit for  the patients who is with presbyopia:

      Simple presybopia can use MCT technology and reach monocular visual (Monovision) state, and keep vision clear. People with both presybopia and myopia use Defraction design Rigid Gas Permeable Contact Lens for Orthokeratology.



    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 Presbyopia 
    Case No. 1:
    Patient´s Problem: Myopia with presbyopia
    Condition of Eyes: Healthy
    Topographic Map before Wearing Rigid Gas Permeable Contact Lens for Orthokeratology 


    Topographic Map after Wearing Rigid Gas Permeable Contact Lens for Orthokeratology


    Successful Cases of MCT Technology for Presbyopia 
    Case No. 2:
    Patient´s Problem: Myopia with presbyopia
    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 




    Goodbye to presbyopia, MCT technology keep good eyesight


      Eyes are the window of the soul, no one is not hope to have a pair of healthy and bright eyes. Eyes receive a lot of information everyday, but it also has the strike. When they can only see things in a long distance, we know that we have persbyopia. Years take youth and health away, and leave experience and aging.
      Aging is irresistible natural phenomenon, but everyone hope that day come later, or in a decent, elegant way.

      The aging of eyes first is the crystalline nuclear was gradually increased and harden, the flexibility of the crystalline become more and more small; Second is the strength of the ciliaries muscle diminish, thus the eye can not see thing in near place, and hard to read and write, this is the old depending, commonly known as presbyopia.

      The occurrence of the presbyopia is directly related to age. However, different people, because of the original refractive status (such as myopia, farsightedness and with/ without glasses), reading habits, and the whole health effects, the time of presbyopia´s appearance and the serious states is different, so that the treatment will be different.

      Simple presbyopic -- there were no refractive and eyesight problem when young, but it is difficult to see near thing when 45 years old ; 

      Myopia and presbyopic -- people have myopia when young , presbyopia appears some years or even 10 years later.

      Hyperopia and presbyopic -- people have hyperoia when young, the presbyopia happen a few years ahead or even 10 years 

      Astigmatism and presbyopic --  people have astigmatism when young, presbyopic is related with myopia and farsightedness relevant.

      Recently, many people have presbyopia less than 40 years old, there are many reasons. Aging patients would not like to wear glasses, and that will accentuate the eyes burden, produce eye fatigue symptoms, such as headache, eyebrows tight, eye pain, inspect content fuzzy and so on. 

      The powerful and professional elites in virus fields will not like to wear a pair of presbyopic glasses, even in the face of retirement and workplace crisis, and they would like to keep their Hollywood style. For them, the symbol of the spirit means anything.

      MCT technology can help people, who resist the glasses, solve all problems. During the correction of aging, MCT can make you do not wear glasses during the day, and keep you young.

      Simple presybopia can use MCT technology and reach monocular visual (Monovision) state, can keep vision clear.

      With the age increasing, the people with myopia and presbyopic need two pairs of glasses to see far and near thing ,that is a trouble. You can use light diffraction theory (Defraction) design Rigid Gas Permeable Contact Lens for Orthokeratology, to solve the problem, at the same time, take off two pairs of glasses.
      The people have presbyopic and hyperopia really feel terrible, they need to wear presbyopic glasses when young, also with the symptoms of headache when reading, the solution is more complex, and we need to use MCT according to the different conditions.  
      The astigmatism and optometry is a difficult problem, but the concrete analysis, using MCT technology can help most people take off the glasses , bring convenience for patients.
      In order to experience with presbyopic and myopia Rigid Gas Permeable Contact Lens for Orthokeratology´s effect, MCT original designer professor Wang designed lenses for himself, and solved his 400 degrees of myopia and 200 degrees of presbyopic, the vision is good now. And it is comfortable to wear lenses during the evening, the vision is good in the daytime, the sufferers should go for check half a year, the eyes will be more healthy.
      The older who have myopia should pay more attention to keep physical and mental health, ensuring enough sleep, exercising, eating a balanced diet, and take some eye exercise. Once the presbyopia occurs, be treated timely, do not delay!
    Good Vision When Old

            Myopia now is very commonly among young people and also presbyopia is commonly among old people. When mention the health of vision, we will think about the myopia of children and teenagers, but as a matter of fact, the influences presbyopia brings to the quinquagenarian can not be ignored. The trend of aging is extending now and the informatization demand of old people is increasing, the old people hope the presbyopia can be treated.
      Presbyopia is one of vision problem and the main reason is the degeneration of body function. This is a little different with the bad habit of using eyes and the inheritance. The happiness of presbyopia is related to the physiology and is common situation to get presbyopia when old. 
      The typical feature of youth myopia is wearing glasses and presbyopia also need glasses. But because the different symptomatologies, some presbyopia patients with myopia need two pairs of glasses and sometimes will with headache. Presbyopia is not only bringing inconvenience to the old people, but also be a block in the way of getting information.   
      In order to know the every day life of presbyopia patient, we selected some member of Web Optometry Research Institution with presbyopia and they told us the differences of the life after wearing the Rigid Gas Permeable Contact Lens for Orthokeratology.
    Mr. Lee retired for several years and he like to read newspaper. His family ordered some pieces of newspaper for him when he left the job. Mr. Lee told us at the beginning, there is no difficult for him to read several pieces of newspaper everyday.
      After reading, Mr. Lee would go to Senior Citizen Activity Center and chat with their friends about the latest news. But one day, after reading a piece of newspaper, he felt headache and could not see the words clearly. He took a longer time to finish the reading and when he went to the center, his friends were already left. He thought it was because he did not sleep well at night but in the next day, it happened again. Mr. Lee became more and more upset and his families persuaded him to watch TV, but he did not accept this.  
    Mr. Lee insisted to read newspaper. His children suggested him to get presbyopic glasses, but he was not very glad. He thought that he never wore glasses before and now when he was old, he needed to wear a pair of glasses. What would his friend think about this? And he likes doing sports; it would be not very convenient. He did not want a pair of glasses but long time after; he found the vision is worse! 
      The son of his friend Mr. Wu is worked in the field of optometry, and he told Mr. Lee there is a new technology called MCT technology. Mr. Lu was using this technology and did not need to wear glasses. According to Mr. Lu´s suggestion, Mr. Lee went to Web Optometry Institution. He got a good vision after wearing Rigid Gas Permeable Contact Lens for Orthokeratology and does not need to wear any glasses in the day time. 
      Mr. Lee said this lens can be worn when sleeping and then take off in the morning, but the vision is still clear. After wearing Rigid Gas Permeable Contact Lens for Orthokeratology, he began his reading again in everyday morning and turned back to his friend. His children were also glad to see this.
      After interviewing, we found there wear many similar examples, the user are all have the successful experience of using MCT technology in the presbyopic. Professor Wang, the original designer of MCT technology, is also bothered by presbyopia, He used Rigid Gas Permeable Contact Lens for Orthokeratology himself firstly and solve the problem of 400 degrees myopia with 200 degrees presbyopia and finally decided to promote this technology.
      According to different kinds of presbyopia, the MCT technology is improved. Some patient is myopia with presbyopia and need two pairs of glasses, but the lenses designed by MCT technology are based on Defraction Principle. This kind of lens can solve the problem of myopia and presbyopia in the same time.
            Besides, myopia with presbyopia means patients need to wear reading glasses when he is not old and will with headache when reading. Although the solution is complex, MCT technology can treat it.      
      MCT technology is developed by Web optometry research institution, Shanghai Furen ophthalmology and some other research units. The research purpose is to combine optometry and ophthalmology as whole and solve vision problems and brings a good vision to the patients. There is a rich clinical and practical experience of MCT technology. It can not only correct presbyopia but also myopia, high myopia, astigmatism, adult and child amblyopia.
      We asked Professor Wang the question why and how MCT technology got such good achievement. He told us the reason why MCT technology can solve these vision problems: the advancement and breakthroughs. After 14 years´ development, it becomes a leading corneal reshaping technology among the world. MCT technology is based on individual cornea. It collects the 6000 ~ 10000 data in the corneal surface, and designs the lenses according to the like-holographic data. This greatly reduces the risk of keratitis and some other complications.
    There will be more and more presbyopia patients, but they will not lose their passion of life, because MCT technology will help them to get a clear vision.

    Prolong the adolescence ; Sight can not be old
      The eye is an important organ that can bring us light; it brings us a colorful world. If eyes misted, our world will also be a blur. With the growth of the age, each function of our organization will gradually decline. When skin turns old, we can use the cosmetics to detain, we can also face it openly; when eyes turn old, not only many crow´s-feet come out, but also it will affect the clear world we see.
      2011, the latest population statistics shows that the world´s population comes to the peak of 70 billion. Since 1987, the global population has increased rapidly; it grows 10 billion each 12 years. Aging as a normal population phenomenon has come ahead. Aging is not terrible; the important is how we deal with a series of problems brought by aging. The most common health problem is presbyopia; it has become a more and more serious vision obstacle for the middle-aged.
    The formation of presbyopia is a normal physiology phenomenon of human body. It is the signal of body begins to aging. Due to the growing age, eye lens gradually harden, thicken, the adjustment of the eye muscles ability also will decline, it will lead to zoom capacity reduction. Therefore, when looking close things, it will become blurred because they cannot fully focus when image projected in the retina. If you didn´t read and write for a period of time, and then you suddenly do these things, you will find it very sweaty. At this time, you need to be vigilant if the presbyopia is coming for you.
    Besides, seeing nearly things faintness, what are the other symptoms of presbyopia? Usually, people will feel their arms is shorter than previously if he has presbyopia , it´s easy to eye acid, headache, sleepiness when inspect content a slightly longer time, it is the early period, in later period, the symptoms is that close reading is not clear obviously. At this time, different refractive error has different performance. Originally myopia would like to read without glasses, but simply by removing glasses to read is accompanied by many discomfort because of the different degree, eye diameter, astigmatism, the original farsightedness is often appear presbyopia earlier than normal person. The occurrence of presbyopia is very common, but not everyone will have presbyopia. Once the presbyopia appears, what other harms will it do? Presbyopia will be just like myopia with degree, and will the degree increase?
      Medical report shows: presbyopia has become one of the six biggest eye disease which do harm to old-man, it is the recession signal of human viscera function. At this stage, it can appear symptom such as blurred vision, eye fatigue, dry eye, eye with more tears, accompanied by symptoms such as the low sleep quality, suffering energy, loss of appetite, nausea and headache. Due to excessive disdain presbyopia, ignoring the effective treatment presbyopia, it also can cause many middle-aged diseases, such as eye disease progression lead to cataracts, glaucoma, retina macular lesion, etc. Besides, the occurrence of presbyopia crowd also changes than before.
      In the 1960s, presbyopia patients in 50 years old is 32.4%, in 1990s it´s 53.6%, and now the ratio is growing by 78.6%, and presbyopia first happen time advanced from the last 1947 to 1948 to 1937 to 1938. The advancing of presbyopia has connection with myopia when they were young, far sightedness or other refractive error.
    Generally, eyes aging degree will increase with age. The increasing speed is 50 degrees each five years. According to the corresponding table of age and the eyes aging degree, most person who no myopia or farsightedness and some other refractive errors, eyes aging degree is usually 100 at the age of 45, and by the age of almost 60, it will be increased to 250 degrees to 300 degrees, and since then the eyes aging degree generally will not deepen at all. If the eyes refractive status is bad, degree of presbyopia will not necessarily follow the growth rate.
      Presbyopia is caused by the normal physiological aging, but we can´t also be careless. For presbyopia, timely treatment is needed, but do not need to worry too much. In general, many patients solve the fuzzy problems when close looking with wearing presbyopic glasses, this is more general solution. But if you are with myopia and presbyopia, they need to wear two pairs of glasses; this will bring life much trouble and inconvenience. If the patients put on Rigid Gas Permeable Contact Lens for Orthokeratology designed with Defraction principle, it can help them to take off two pairs of glasses and solve seeing far or near problems.
      If you are hyperopia with presbyopia, it means you need wear reading glasses not being the normal aging age, also accompanied with the symptoms of headache when reading. This solution is more complex, we need use MCT technology to make a diagnosis and give treatment according to the different conditions.
      Besides, astigmatism with aging astigmatism is also problems in optics. But case by case, using MCT technology can also solve the problems of most people do not want to wear reading glasses.
    MCT technology is a kind of international leading corneal reshaping technology, more than ten years´ studied by Shanghai FuRen Ophthalmology and WuHan Web optometry research institute. The treatment effect is remarkable to the high myopia, astigmatism, aging and all kinds of other refractive error vision problems.
    Professor WangJiangqiao, the original designer of MCT technology, in order to experience the effect of presbyopia and myopia with Rigid Gas Permeable Contact Lens for Orthokeratology by himself, he designed the lens for himself. It solved the problem with myopia of 400 merging with aging of 200 degrees and it wears well. Wearing glasses feel comfortable in the evening and has high visual quality in daytime. Eyes has been very healthy with every six months a second check.
    Older myopia need to keep the physical and mental health, once the presbyopia appears, it needs timely treatment without any delay. And adjustment degree of reading glasses every four to five years which can ensure that we still have bright vision in old age. As long as we have correct treatment to presbyopia, even if we have youth no longer, the world still can clear and bright.
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    • Joaquim2013/7/5 3:29:01

      At last, soeomne who knows where to find the beef

      [Reply]Thank you for your message! And if need more information,you can leave me your country, career and contact information like email address. We will contact with you soon. Or you can send an email to 18917037637@189.cn directly!

    • Joaquim2013/7/5 3:29:01

      At last, soeomne who knows where to find the beef

      [Reply]Thank you for your message! And if need more information,you can leave me your country, career and contact information like email address. We will contact with you soon. Or you can send an email to 18917037637@189.cn directly!





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