The product is applied in measuring diopter on the surface of cornea, and the axis and diopter of cornea astigmatism. It can measure the diopter of implanting lens assisted by A ultrasonic.
Specifications:
| Measuring Range | Curvature Radius | 5.511mm |
| Diopter | 30~60D | |
| Minimum Division | Radius | 0.02mm |
| Diopter | 0.25D | |
| Minimum Surface Area Required by Measurement | r = 5.5mm | Φ 1.65mm |
| r = 7.5mm | Φ 2.36mm | |
| r = 11mm | Φ 3.36mm |