A transparent optical element having a spherical curve and a cylindrical curve used to correct vision defects of the eye.
Classification: Contact lenses
NSN 5999-01-157-9643
NSN
NSN 5998-00-315-1499
NSN 6110-01-353-0991
NSN 5915-01-245-4500
NSN 6320-01-541-7585
NSN 5975-00-419-3256
NSN 5920-01-349-5554
NSN 5965-01-101-9094
NSN 5930-00-614-9237
NSN 6220-00-419-0635
NSN 5905-01-609-7703