A transparent optical element having a spherical curve and a cylindrical curve used to correct vision defects of the eye.
Classification: Contact lenses
NSN 4140-00-356-1639
NSN 6620-01-447-4607
NSN 5910-01-165-8425
NSN 5920-00-682-0500
NSN 6135-01-397-6564
NSN 5996-01-061-5142
NSN 5915-01-650-5377
NSN 5996-01-493-6740
NSN 5895-01-341-4312
NSN 5990-01-572-3137
NSN 6650-00-118-5600
NSN 5960-01-599-9821