A transparent optical element having a spherical curve and a cylindrical curve used to correct vision defects of the eye.
Classification: Contact lenses
NSN 6685-01-368-0419
NSN 6645-01-089-6459
NSN 5930-01-012-4360
NSN 5855-01-244-9785
NSN 5985-01-214-2082
NSN 6240-01-435-3892
NSN 7035-00-153-3826
NSN 5996-01-141-7959
NSN 5935-01-165-3039
NSN 5855-01-505-0061
NSN 6620-00-513-0738
NSN 5920-01-067-2289