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 6240-00-299-9819
NSN 6105-01-009-5394
NSN 5855-01-548-9990
NSN 6110-01-479-2784
NSN 2925-00-495-8130
NSN 2925-01-359-9818
NSN 5835-01-512-4834
NSN 6110-00-170-6520
NSN 6135-01-480-8121
NSN 5999-01-261-2266
NSN 5950-01-218-6438
NSN 4140-01-218-4999