A transparent optical element having equal spherical diopter curvatures used to correct hyperopic (farsightedness) or myopic (nearsightedness) conditions of the eye.
Classification: Lenses, prisms, and mirrors, unmounted, nesoi
NSN 2925-01-424-0235
NSN 5999-01-528-3867
NSN 6620-00-952-6672
NSN 6220-01-381-1074
NSN 7035-01-178-9354
NSN 6130-00-729-9769
NSN 5965-01-384-4912
NSN 5915-01-307-7594
NSN 5835-00-315-3797
NSN 5998-01-147-5597
NSN 5905-01-392-8305
NSN 5965-00-051-6434