The orthokeratology lens with MCT technology is the leading blindness prevention and treatment technology which is developed by Shanghai Furen Ophthalmology Research Institution and Web Optometry Research Institution after over 25 years´ clinical practice and research. The technology covers the newest achievements of ophthalmology, optometry and Chinese medicine, and is the combination of these three disciplines. MCT technology can effectively correct all kinds of refractive errors, such as chil