A transparent optical element having a spherical curve and a cylindrical curve used to correct vision defects of the eye.
Classification: Contact lenses
NSN 5990-00-010-1413
NSN 6620-00-193-9503
NSN 6645-01-036-5027
NSN 4140-01-207-2680
NSN 5935-00-890-5675
NSN 6620-00-010-8190
NSN 6220-00-643-4045
NSN 6135-00-078-9931
NSN 5920-01-263-0685
NSN 6135-01-141-4916
NSN 6620-01-321-5514
NSN 6150-01-241-1384