radiuscope

(redirected from optical microspherometer)

radiuscope 

Instrument used for measuring the radius of curvature of the surfaces of a contact lens. It is based on the Drysdale method. Syn. optical microspherometer. See Drysdale's method; Toposcope.
References in periodicals archive ?
Optical microspherometers (also known as radiuscopes) use optical principals to measure the BOZR and are relatively simple to use with rigid lenses measured in air.