Technical Specifications
| DS Range | -8.0 D to + 8.0 D (Resolution is 0.25 D or 0.01 D) Accuracy is ± 0.25 D |
| CYL Range | -3.50D to + 3.50D (Resolution is 0.25 D or 0.01 D) Accuracy is ± 0.25 D |
| Axis Range | 1° to 180° (Resolution is 1°, Accuracy is ±5°) |
| Pupil Size Range | 0.16 in to 0.35 in (4.0 mm to 9.0 mm (Resolution is 0.1 mm, Accuracy is ±0.1 mm)) |
| Pupil Distance Range | 1.38 in to 3.15 in (35 mm to 80 mm (Resolution is 0.04 in (1 mm) , Accuracy is ± 1 mm)) |
| Gaze | 0° to 20° |
| Measuring Distance | 3.28 ft ± 0.16ft (1 m ± 5 cm) |
| Time per Measurement | 1 s |
| Fixation Target | Light flash, attractive sound |
| Data Interface | Wi-Fi, USB |
| Printer Interface | USB |
| Battery | Rechargeable lithium batteries, 6 hours of duration, replaceable |
| Size | 7.09 in × 5.12 in × 4.33 in (180 mm × 130 mm × 110 mm) |
| Display | 7 in (177.8 mm) touch screen |
| Weight | 28.22 oz (800 g) |
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