A transparent optical element having a spherical curve and a cylindrical curve used to correct vision defects of the eye.
Classification: Contact lenses
NSN 5990-00-170-4239
NSN 6320-00-519-0770
NSN 4140-01-190-8709
NSN 5945-01-496-6134
NSN 5998-00-224-1924
NSN 6620-01-061-3497
NSN 5996-01-282-0703
NSN 5998-01-272-2783
NSN 6240-00-079-0112
NSN 6240-01-147-5424
NSN 7035-00-270-5519
NSN 5960-00-848-1900