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.
The instrument should be installed and worked under such environment:
Spherical power (spectacle lens) | -25 m-1~+25 m-1 | |
Cylindrical power: | -9.99 m-1~+9.99 m-1 | |
ADD power | -9.99 m-1~+9.99 m-1 | |
Spherical power(contact lens) | -20 m-1~+20 m-1 | |
Dioptor step | 0.01 m-1 .0.06 m-1 .0.12 m-1 0.25m-1 | |
Axis | 0~180° | Increment: 1° |
Prism basal angle | 0~360° | Increment: 1° |
Prism power | 0~20 cm/m (horizontal direction) | Increment:0.01cm/m |
0~20cm/m (vertical direction) | Increment:0.01cm/m | |
Applicable lenses | φ10mm~φ90mm dia | ≤20mm center thickness |
Applicable frame leg length | 0~158mm | |
PD and PH measurement | PD=42mm ~ 82mm | Increment:0.25mm |
PH=8mm~ 45mm | Increment:0.25mm | |
Qualitative measurement of UV transmittance | ||
Instrument body power | DC12v | 45va |
Adapter | Input AC110V-240V | 50HZ-60HZ |
Output DC12V | 45VA |