Ophthalmic Vision Tester VT 5C China Manual Phoropter
- Category: Medical Optical Instruments >>>
- Supplier: Chongqing Vision Star Optical Co. Ltd.
Share on (62017716327):
Product Overview
Description
Ophthalmic Vision Tester VT-5C China Manual Phoropter
Features:
1. Top-grade quality View Tester;
2. Elegant design of butterfly-shape appearance;
3. High grade plated-film used in all optic lenses;
4. This device is applicable to ophthalmology department of hospitals and spectacle stores
for precision measurement of visual functions such as myopia, hyperopia, astigmatism,
eyesight balance, heterophoria, stereoscopic vision and eyesight amalgamation;
5. Two colors for option.
Specifications:
Sphere powers range | ±16.75Dto-19.00D,with minimum reading 0.25D or 0.12D |
(when+0.12D auxiliary lens or optional±0.12D lens is in use) | |
Cylinder powers range | 0 to-6.00D,with minimum reading 0.25Dor0.12D |
( when auxiliary lens is in use) 0 to-8.00D ( when-2.00D auxiliary lens is in use) | |
Astigmatic axis scale | 0 to 180°in 5°steps |
Cross Cylinder | reversal type (synchronized with astigmatic axis) ±0.25D,or±0.50D |
Rotary prism | 0 to20D in 1D steps |
P.D. adjustment | 48-80mm;Step:1mm |
Forehead reat adjustment | 16mm forward and backward |
Convergence | The optical axes 0g thelenses are aligned at a diatance of 400mm from the vertexes of the corneas (2mm each for right and left inward)Interpupillary distance enabling convergence=57mm to 80mm |
Corneal distance device | 2mm forward and 5mm backward from standard plane;with scale |
Effective field of view | 19mm |
Weight | 5kgs |
Size | 291-323mm×315mm×85mm |
We Recommend
New Arrivals
New products from manufacturers at wholesale prices
