A transparent optical element having a spherical curve and a cylindrical curve used to correct vision defects of the eye.
Classification: Contact lenses
NSN 6220-01-607-1917
NSN 5990-01-310-2848
NSN 6240-01-071-2127
NSN 6650-00-556-8054
NSN 6145-01-592-3297
NSN 4140-01-089-9724
NSN 5920-00-890-0916
NSN 6145-00-134-7271
NSN 6620-01-127-8885
NSN 6620-01-391-1920
NSN 5945-00-105-6635
NSN 6320-01-438-6280