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 5835-01-313-6087
NSN 6110-01-125-6654
NSN 6135-01-084-1609
NSN 5920-01-450-7364
NSN 4140-00-360-2457
NSN 5985-01-512-7785
NSN 5996-00-258-4954
NSN 6150-01-110-7842
NSN 5985-01-439-8090
NSN 5895-00-080-2003
NSN 5925-00-689-8068
NSN 6130-00-070-5877