Manual Phoropter & Vision Tester
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Quality/Safety Certification: 0.00
1.Quick,easy and accurate refractions
2.Precision engineering for superior performance
3.Wide testing range;Multi-coated lense
The VT-1 Vision Tester provides exceptional quality and value, featuring quick, easy and accurate refractions. Notable features include synchronized cross cylinders, an extended measurement range, and multi-coated lenses.
| Item and range Of measurement (the value in ( ) with accessory lens or auxiliary lens attached): | |
| Myopia | 0 to -19.00 diopter in 0.25 diopter step (0.12 diopter step) |
| Hyperopia | 0 to +16.75 diopter in 0.25 diopter step (0.12 diopter step) |
| Astigmatism | 0 to -6.00 diopter (-8.00 diopter) in 0.25 diopter step (0.12 diopter step) |
| Phoria andvergency | 20 to 0 to 20 by 1 step |
| Inner | 40 |
| Outer | 40 (50 ) |
| Upward and downward | 40 (60 ) |
Near vision test Main optical axes of both lenses converges by means of a tilt mechanism at 40cm in front of the eyes at 64mm P.D. If P.D. for far vision is less than 54mm, converging operation stops.
| Binocular balance | |
| Test | Rotary prism and polarizing lens methods are available. |
| P.D. 48 to 75mm by 1mm step | |
| Level adjustment | More than 4.5° for right and left banks |
| Dimensions | 64mm P.D. setting) × 97 × 294mm |
| Weight | 4.5 kg |
