Optometry Tool Ophthalmic Lens Clock Base Curve Optician Lens Bend Measurement +
Special Features
- 【Professional Lens Clock】Professional to measure dioptric power of a lens and calculate the radius of curvature.
- 【Easy to Use】The precision scale is uncrowded and easy to read. Measuring Range: 0-20mm,Measure Scope: +/-20,Reading: 0.25.
- 【Application】: The lens clock has three pointed probes that make contact with the surface of the lens.For use with both glass and plastic lenses.
- 【Easy to Carry】Convenient to use and easy to carry in a bag .
- 【Quickly】Quickly identify and check base curve.
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