Ophthalmic Equipment VT-5B Manual Phoropter Price
Butterfly-Shape Appearance VT-5B Manual Phoropter For Sale
Features:
1. Top-grade quality View Tester in Far East;
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:
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Sphere powers range |
±16.75Dto-19.00D,with minimum reading 0.25D or 0.12D |
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(when+0.12D auxiliary lens or optional±0.12D lens is in use) |
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Cylinder powers range |
0 to-6.00D,with minimum reading 0.25Dor0.12D |
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( when auxiliary lens is in use) 0 to-8.00D ( when-2.00D auxiliary lens is in use) |
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Astigmatic axis scale |
0 to 180°in 5°steps |
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Cross Cylinder |
±0.25D,reversal type(synchronized with astigmatic axis) |
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Rotary prism |
0 to20D in 1D steps |
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