1PCS VT-5C Manual Refractor Phoropter Optical view tester Optometry
Features:
- This product is used to detect ocular ametropia and visual function.
- This product is mainly composed of the inspection disc, the adjusting part, the lens, the measuring scale and so on. The inspection disc is composed of a built-in multi disk mechanism consisting of a ball lens, a column lens, and a lens.
- The product is used for myopia, hyperopia, astigmatism, astigmatism axis, eye balance and presbyopia detection, optometry convenient, intuitive and accurate.
Specification:
Sphere degree range:0D ~ 16.75D, Step: 0.25D
-19.00 ~ 0D, Step: 0.25D
Cylinder degree range:-0.25D to -6.00D, Step: 0.25D
Astigmatic axis scale:0 to 180°, Steps: 5°
Cross cylinder:±0.25D, also can choose ±0.5D, Reversal type (synchronized with astigmatic axis)
P.D. adjustment:50-80mm
Fixed-point distance adjustment range:0-13mm
Effective field of view:19mm
Weight:5kg
What in Package:
1 X VT-5C Manual Phoroptor Refractor

