Dhoptical Eyeglasses Lens Measure Power Clock Radiant Table Eyeglasses Accessories for Glasses Shop - B68PUL5WD

Professional to measure dioptric power of a lens and calculate the radius of curvature. For use with both glass and plastic lenses. Quickly identify and check base curve. The precision scale is uncrowded and easy to read. Convenient to use and easy to carry in a pocket.

Dhoptical Eyeglasses Lens Measure Power Clock Radiant Table Eyeglasses Accessories for Glasses Shop - B68PUL5WD