Keratometer mod.YZ38
It can be used to measure the radius of cornea’s curvature and dioptor. And it can also be to measure the axis and dioptor of cornea astigmatism.
Measurement Range | Curvature Radius | 5.5—11mm |
Dioptor | 30—60D |
Minimum Division | Radius | 0.02mm |
Dioptor | 0.25D |
Minimum Surface Required for Measurement: | R=5.5mm Φ1.65mm |
R=7.5mm Φ2.36mm |
R=11mm Φ3.36mm |