Innovative Design
[1]Invention Patent, ZL 201310207478.7, ZL 201610094759.X; Utility Model Patent ZL 201320714971.3 , ZL 201520197505.1.
Quick and Easy-to-use
Portable
Eyehealth Record Management from Mobile
Suitable for
Children, adolescents and adults
Spherical equivalent range
-12D to +6D
Steps
0.25D
Spherical degree of tolerance
±0.25D
Lighting
LED back-lighting is uniformity, constant, not reflective and not dazzling
Power
Three AAA batteries
Net weight
195g
Size
185mm(L) x 47mm(W) x 55mm(H)
Product Classification
Class 1 Medical Device (Non-invasive, Non-contact with blood)