various scenarios
1. Large-scale visual acuity screening in kindergartens and schools at all levels
2. Various health examination institutions and optometry centres
3. Mobile medical services
Suitable for all kinds of people
1. Suitable for all ages from infants to adults and special groups
2. Suitable for standing, sitting, lying and other detection positions
3. Easy to operate for those who do not cooperate
Technical parameters
Ball mirror -10.0D ~ +10.0D The lens lattice of the ball is 0.25D The ball mirror tolerance is 0.5D Column mirror - 5.0d ~ + 5.0d The mirror lattice of the column is 0.25d The column mirror tolerance is 0.25D The axis range is 1 ~ 180 External device computer or tablet Containing 360 g |