AV-800 Spring Characteristies:

Characteristies:

21 single letters

00D(50cm) Auxiliary Lens PH Binoculus(1

Single row visual target display

It is an innovative wavefront refractometer that precisely measures refractive errors of patients from 6 months old through adults within just seconds

AV-800 Spring Characteristies:Sphere Range 19D to +16. 75D, 0. 25D step Cylinder Range 8. 75D to +8. 75D, 0. 25D step Axis Range 0 to 180, 1 step Prism 0 to 20, 0. 1 step Prism Base 0 to 360, 1 step PD Range 48mm to 80mm, 1mm step Distance 350mm to 700mm VD 12mm, 13. 75mm, 16mm, 18mm, 20mm Auxiliary Lens PH, Binoculus (1. 0mm) RMV RMH RL(Right eye), GL (Left eye) Polaroid (Right eye 135 45), (Left eye 45 135) Prism (Right 6 BU, 10 BU), (Left 3 BD & 10 BI) Cross Cylinder Lens(+ 0.