The 20th International Optometry Academic Conference (COOC 2020) was opened on September 18 in Shanghai international purchasing Exhibition Center. Nearly 20000 ophthalmologists from all over the country, representatives of domestic and foreign enterprises in optometry field, and representatives of ophthalmic medical institutions attended the conference.

Thondar brought its intelligent detection device - multispectral refraction topography (MRT) to the exhibition, which takes youth myopia prevention and control as the core scene, attracted the attention of experts. Thondar showed the research results of the clinical center and the latest progress of peripheral refractive test for teenagers to the experts, which attracted the experience and hot discussion of ophthalmologists attending the meeting.