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 5990-01-215-5997
NSN 6645-01-629-0847
NSN 5905-00-800-5328
NSN 4140-01-205-0197
NSN 5935-01-303-4077
NSN 2925-00-872-4474
NSN 5998-01-611-1219
NSN 5855-00-106-1640
NSN 7035-01-534-7930
NSN 5935-00-652-9380
NSN 5905-01-224-6188
NSN 5975-01-522-8315