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 6650-01-552-9344
NSN 6610-00-150-7002
NSN 5935-01-352-5858
NSN 5935-01-022-2105
NSN 6135-01-633-2066
NSN 6645-01-492-1055
NSN 6145-01-394-8939
NSN 4140-01-441-2339
NSN 5895-01-204-8433
NSN 5945-00-213-0101
NSN 5985-01-143-7314
NSN 6220-01-168-9383