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General| Type | Auto Refractometer Keratometer |
|---|---|
| Astigmatism Axis | 1° to 180° |
| Minimum Pupil Diameter | 2.0mm |
| Measurement Accuracy (Refraction) | ±0.25D |
| Display | LCD |
| Printer | Built-in thermal printer |
| Power Supply | AC 100-240V, 50/60Hz |
| Pupil Diameter Measurement Range | 2.0mm to 9.5mm |
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