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 5998-01-378-8719
NSN 5910-01-263-5858
NSN 5996-01-552-8516
NSN 6240-00-410-8710
NSN 5925-01-305-8589
NSN 5895-00-665-3991
NSN 6620-01-246-5895
NSN 6105-01-406-4264
NSN 4140-01-178-9391
NSN 7035-01-227-2546
NSN 6145-01-579-3510
NSN 5855-01-222-1242