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 5935-01-205-3008
NSN 4140-00-155-8012
NSN 6150-01-534-4006
NSN 6145-01-145-4654
NSN 5985-00-952-0004
NSN 5935-00-846-2329
NSN 6110-01-150-8109
NSN 5920-00-902-6827
NSN 6110-00-451-5223
NSN 6130-01-634-0603
NSN 6145-00-617-4032
NSN 5999-00-673-9381