A transparent optical element having a spherical curve and a cylindrical curve used to correct vision defects of the eye.
Classification: Contact lenses
NSN 5998-00-240-0019
NSN 5930-00-840-5804
NSN 4140-00-376-5712
NSN 5910-00-060-6769
NSN 6150-01-519-7138
NSN 5965-01-191-0735
NSN 5945-00-314-6866
NSN 6130-00-771-9936
NSN 5975-01-461-2343
NSN 6610-01-336-0484
NSN 5990-00-578-8850
NSN 5945-01-004-4350