Vivision group, founded by dr. Zhang hongwei, has a modern research and development base and production plant of 20,000 square metres in xinjiang. Visualization is a publicly listed enterprise in the country's visual rehabilitation industry, and the ministry of national commerce has licensed and qualified enterprises, with more than 900 affiliated institutions throughout the country that specialize in youth visual protection and general education. The headquarters of wei visual group is located in beijing, with a registered funding of $5. 3 million. Since its establishment, it has been working for the benefit of all people. Beijing-vie visual medicine technology company ltd., a national chain association specializing in young people's vision correction, specializes in rehabilitation services for visual problems such as near-sightedness, infirmity, far-sightedness, light-dispersion, and poor sight. As a new star in the sun-yang industry, it combines the excellence of national medicine with modern high-tech technology and makes every effort to improve the health of the vision of society in general and of young children in particular. We focus on the rehabilitation of the vision of young children, the correction of vision and the preservation of vision。