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 6320-01-098-2503
NSN 7035-00-193-2269
NSN 5999-00-719-4362
NSN 5925-01-485-0125
NSN 5960-01-023-6618
NSN 6150-01-484-9908
NSN 5996-01-541-2427
NSN 6610-01-354-3087
NSN 6320-01-492-1976
NSN 4140-01-511-8304
NSN 5920-01-177-2573
NSN 5998-00-218-1360