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 5925-01-266-1093
NSN 5996-01-158-0086
NSN 6130-01-384-6094
NSN 6320-01-513-9166
NSN 5910-01-531-8685
NSN 5999-01-213-0416
NSN 5835-00-484-1529
NSN 6240-01-201-9218
NSN 5960-01-593-4760
NSN 5915-01-177-0320
NSN 5930-01-113-8291
NSN 5945-00-388-3253