A transparent optical element having a spherical curve and a cylindrical curve used to correct vision defects of the eye.
Classification: Contact lenses
NSN 5990-01-498-0641
NSN 6620-01-631-5936
NSN 4140-01-381-7286
NSN 2925-00-450-7783
NSN 5925-00-009-7212
NSN 5975-01-350-2618
NSN 5905-00-752-7360
NSN 5915-00-948-1415
NSN 5996-00-248-7061
NSN 6145-01-345-1703
NSN 5950-01-299-2000
NSN 6320-01-631-7828