A transparent optical element having a spherical curve and a cylindrical curve used to correct vision defects of the eye.
Classification: Contact lenses
NSN 5905-01-462-0642
NSN 6135-01-321-1373
NSN 6145-01-564-3706
NSN 6645-00-160-0503
NSN 5960-00-211-2105
NSN 5835-00-624-1548
NSN 6620-00-992-5876
NSN 6110-01-112-8974
NSN 6620-01-297-5576
NSN 5855-01-205-7030
NSN 5950-01-529-1923
NSN 5910-00-501-9387