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 5990-00-681-2789
NSN 7035-01-013-9889
NSN 5965-01-065-5544
NSN 5895-01-081-8705
NSN 6220-01-589-5154
NSN 5835-01-491-4613
NSN 6610-00-369-6661
NSN 5925-01-408-2652
NSN 6685-01-459-5047
NSN 5950-01-182-4205
NSN 6105-00-702-5143
NSN 5935-01-026-9659