GD05008
Phoropter
Model No.:VT-10C
Features:
1. Elegant design of butterfly-shape appearance
2. High grade plated-film used in all optic lenses
3. 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
4. Two colors for option
Specifications:
Manual Phoropter |
|
Sphere power Range |
+16.75D to-19.00D, with minimum reading 0.25D or 0.12D |
Cylinder power range |
0 to-6.00D, with minimum reading 0.25D or 0.12D |
Astigmatic axis scale |
0 to 180 in 5 steps |
Cross cylinder |
±0. 25D, reversal type (synchronized with astigmatic axis) ±0. 50D optional |
Rotary prism |
0 to 20ΔD in1ΔD step |
PD adjustment |
48mm to 80mm in 1mm step (right and left synchronized) |
Forehead rest adjustment |
16mm backward and forward |
Convergence |
The optical axes of the lenses are aligned at a distance of
400mm from the vertexes of the comeas. |
Corneal distance device |
2mm forward and 5mm backward from standard plane: with scale |
Effective field of view |
19mm |
Weight |
N.W 5kgs ; GW 6kgs |
Dimensions |
323mm*315mm*85mm |