1? Shanghai Shi Jing Investment Management Co., Ltd. can be traced back to the 1990s. From 1995, the founder, Dr. Song Jiude, began to study the subject of myopia control and orthokeratology, and obtained the safety certification of orthokeratology from FDA on 200 1.
2? Keshi optometry technology co., ltd is a large chain optometry center focusing on global optometry technology products. We have been committed to the prevention and correction of myopia in adolescents and adults, and have always insisted on cooperating with medical authorities and linking with world-renowned ophthalmologists to provide authoritative, perfect and scientific help and services for myopia patients in China.
3? Established in 1970, Japan alfa group co., ltd has been committed to the research, development and production of contact lenses for more than 40 years, striving to provide patients with the best and most comfortable lenses. In 2007, the world's first fully automatic orthokeratology lens production line was introduced, and the main product was "α orthokeratology lens". After several years of clinical trials and effect evaluation by medical institutions affiliated to two famous universities in Japan (Tsukuba University and Ehime University), it was submitted to the Ministry of Health and Welfare for certification and finally obtained permission.