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 6150-00-185-3293
NSN 6145-00-205-4046
NSN 2925-00-502-3768
NSN 5910-01-442-8987
NSN 7035-01-484-9516
NSN 5920-01-198-9720
NSN 6320-00-701-0437
NSN 5999-01-619-9462
NSN 6685-00-606-8178
NSN 6685-01-489-0720
NSN 6135-01-391-6515
NSN 6130-01-502-9718