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 5855-01-528-7287
NSN 4140-01-175-0919
NSN 5835-00-092-1136
NSN 6320-01-462-2295
NSN 5965-00-568-5802
NSN 7035-01-116-6223
NSN 4140-01-080-5114
NSN 6130-01-455-0375
NSN 5965-00-449-6974
NSN 5960-00-960-6805
NSN 5835-01-449-7511
NSN 6110-01-603-7527