A transparent optical element having a spherical curve and a cylindrical curve used to correct vision defects of the eye.
Classification: Contact lenses
NSN 5920-00-432-7643
NSN 6150-00-331-6351
NSN 5935-00-411-5375
NSN 6135-01-070-3865
NSN 5975-01-067-7638
NSN 5960-01-518-4440
NSN 5920-01-185-9361
NSN 7035-00-251-8201
NSN 6650-00-401-1496
NSN 7035-01-154-0796
NSN 5998-01-469-7839
NSN 6685-00-161-5752