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 6145-01-204-4873
NSN 5999-01-112-0152
NSN 5910-01-291-5939
NSN 6650-01-470-1315
NSN 5925-01-585-9699
NSN 6645-01-615-4448
NSN 4140-01-400-3610
NSN 6610-01-527-2395
NSN 6130-01-539-6088
NSN 6150-01-212-7110
NSN 6685-00-430-0708
NSN 5855-01-074-3336