A transparent optical element having a spherical curve and a cylindrical curve used to correct vision defects of the eye.
Classification: Contact lenses
NSN 4140-01-143-7180
NSN 5996-00-388-6552
NSN 6150-01-192-6752
NSN 5975-00-753-7669
NSN 6645-01-593-6149
NSN 5945-01-032-0813
NSN 2925-01-103-4499
NSN 5999-01-400-0883
NSN 6105-01-090-1166
NSN 5905-00-406-1421
NSN 6145-01-387-3098
NSN 5975-01-320-2760