Description
Features
- Best Optical instrument vision screener for children vision.
Technical Specifications
| DS Range | 7.50 D to +7.50 D |
| Resolution | 0.25 D to 0.01 D |
| Accuracy | ±0.50 D |
| DC Range | 0.00 D to 3.00 D |
| Resolution | 0.25 D to 0.01 D |
| Axis Range | 1° to 180° |
| Resolution | 1° |
| Accuracy | ±5° |
| Pupil Size Range | 0.1 in to 0.3 in (4.0 mm to 9.0 mm) |
| Resolution | 0.003 in (0.1 mm) |
| Accuracy | 0.003 in (±0.1 mm) |
| Pupil Distance Range | 1.3 in 3.4 in (35 mm to 80 mm) |
| Resolution | 0.03 in (1 mm) |
| Accu Racy | 0.03 in (±1 mm) |
| Gaze | 0° to 20° |
| Measuring Distance | (1 m), 1.9 in (5 cm) |
| Time Per Measurement | 1 s |
| Axis Range | 1 to 180 |
| Measuring Distance | 39.3 in (1 m), 1.9 in (±5 cm) |
| Size | 7.08 in x 5.1 in x 4.3 in (180 mm x 130 mm x 110 mm) |
| Weight | 28.2 oz (800 g) |