A transparent optical element having a spherical curve and a cylindrical curve used to correct vision defects of the eye.
Classification: Contact lenses
NSN 5999-01-224-7525
NSN 6110-01-176-2557
NSN 7035-01-145-5059
NSN 4140-01-581-2051
NSN 5925-00-999-9320
NSN 6110-01-015-9433
NSN 5999-01-469-7481
NSN 5990-01-047-8168
NSN 6620-01-547-3967
NSN 6645-01-381-2050
NSN 5915-01-612-0100
NSN 6240-00-233-3481