A transparent optical element having a spherical curve and a cylindrical curve used to correct vision defects of the eye.
Classification: Contact lenses
NSN 4140-01-250-0204
NSN 6685-01-213-9021
NSN 5855-01-352-7033
NSN 5990-00-455-9865
NSN 6145-01-345-7261
NSN 5990-01-058-4826
NSN 5915-00-178-1574
NSN 7035-00-870-0290
NSN 6620-00-450-5703
NSN 5925-00-244-0711
NSN 5895-01-051-5885
NSN 6320-01-215-2284