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 5895-01-163-9248
NSN 5855-01-612-1834
NSN 5935-01-373-5519
NSN 5920-01-394-5003
NSN 5935-00-793-8056
NSN 6645-01-173-8850
NSN 5905-01-148-9251
NSN 2925-01-609-8464
NSN 5998-01-403-2586
NSN 5930-01-545-4838
NSN 5855-01-519-2486
NSN 5935-01-612-3765