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 6220-00-932-4992
NSN 4140-01-605-7911
NSN 6240-01-531-1012
NSN 6145-01-634-0388
NSN 6240-01-342-0583
NSN 5999-00-248-7240
NSN 7035-00-541-8516
NSN 4140-01-660-5997
NSN 6685-01-205-2385
NSN 6240-00-858-0389
NSN 5998-01-364-0960
NSN 6105-00-091-6867