A transparent optical element having a spherical curve and a cylindrical curve used to correct vision defects of the eye.
Classification: Contact lenses
NSN 6620-01-451-3742
NSN 6645-00-038-6736
NSN 5999-01-042-5727
NSN 5996-01-450-6408
NSN 6135-00-643-4843
NSN 6135-00-347-0595
NSN 5895-01-158-6002
NSN 4140-01-285-4418
NSN 5895-01-441-0502
NSN 5985-01-446-6868
NSN 6105-00-947-2561
NSN 6240-01-340-7591