A transparent optical element having a spherical curve and a cylindrical curve used to correct vision defects of the eye.
Classification: Contact lenses
NSN 5915-01-319-9062
NSN 6685-00-156-3054
NSN 2925-01-467-1192
NSN 5950-00-359-9607
NSN 5999-01-459-9292
NSN 7035-01-063-8753
NSN 5975-01-213-2866
NSN 6105-01-452-1020
NSN 5945-01-431-7655
NSN 5965-00-992-8942
NSN 4140-00-000-0082
NSN 6220-00-205-2040