Technical Specifications
| SPH Range | -8.0 D to +8.0 D (±0.25 D) |
| CYL Range | -3.50 D to +3.50 D (±0.25 D) |
| Axis Range | 1° to 180° |
| Pd Size | 18.8 in to 31.4 in (48 cm to 80 cm) |
| Accuracy | 38.5 in (98 cm), 1.18 in (±3 cm) |
| Gaze | 0° to 20° |
| Time Per Measurement | <15 seconds |
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