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 6685-01-206-0646
NSN 5960-00-900-3508
NSN 2925-01-550-0177
NSN 5945-01-106-3536
NSN 5960-01-604-1158
NSN 5985-01-507-6729
NSN 6105-00-003-3316
NSN 5935-01-172-8204
NSN 6105-00-399-1352
NSN 7035-01-129-7834
NSN 6110-01-365-6754
NSN 6110-01-498-4458