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 6110-01-127-2852
NSN 5935-01-252-7582
NSN 4140-00-827-1821
NSN 5960-01-173-7956
NSN 6105-00-925-9906
NSN 5950-00-007-1952
NSN 6130-00-452-9464
NSN 6610-01-602-3744
NSN 6620-01-058-3539
NSN 6135-01-201-5858
NSN 5945-00-645-2309
NSN 6610-01-513-5169