A transparent optical element having a spherical curve and a cylindrical curve used to correct vision defects of the eye.
Classification: Contact lenses
NSN 5895-00-192-0270
NSN 6135-01-456-7541
NSN 5920-00-135-4930
NSN 5996-00-879-0852
NSN 5998-00-700-0590
NSN 6240-00-938-1027
NSN 6220-00-900-5302
NSN 5999-00-316-6142
NSN 5915-00-513-9701
NSN 6220-01-306-2428
NSN 5925-00-329-6966
NSN 4140-01-660-2737