A transparent optical element having a spherical curve and a cylindrical curve used to correct vision defects of the eye.
Classification: Contact lenses
NSN 6220-01-141-8200
NSN 6685-00-387-9654
NSN 6240-01-196-1688
NSN 5975-01-252-8377
NSN 5999-01-197-8160
NSN 5998-01-452-2912
NSN 5915-01-568-4700
NSN 5905-01-589-1569
NSN 6685-01-335-9198
NSN 6150-01-260-7533
NSN 5910-00-624-7870
NSN 4140-01-400-0643