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 6130-01-495-0011
NSN 5999-01-042-5331
NSN 6610-01-565-7344
NSN 5990-01-481-8441
NSN 6220-00-418-4223
NSN 5835-01-525-3220
NSN 6650-00-259-2605
NSN 5985-01-070-7038
NSN 5855-01-260-7445
NSN 5920-01-141-6885
NSN 5910-01-325-6019
NSN 5935-01-263-2844