| Customization: | Available |
|---|---|
| Warranty: | 1year |
| Usage: | Optical |
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| Sphere: -19.00to+16.75Steps:0.25D Cylinder: 0~-6.00D,Steps:0.25D cylinder Axis: 360°(double 180°scale.) Steps:5° Cross Cylinder: ±0.25D ±0.37 or ±0.50 Optional Prism: 0 to 20 Prism Diopters Steps:1 Prism Diopter P.D.: 48mm to 75mm Steps:1mm "O"(ope) Open Aperture "R"(retinoscopy lens aperture) +1.50D; low reflection coated. "P"(polaroid) For binocular refraction techniques, axis is 45° left eye, 135right eye. "RMV"&"WMV" Maddox RodVertical* "RMH"&"WMH" Maddox Rod.Horizontal* "RL"&"GL" For binocular vision tests. "OC" Occluder "+.12D" +0.12D Sphere |





