A transparent optical element having a spherical curve and a cylindrical curve used to correct vision defects of the eye.
Classification: Contact lenses
NSN 5915-00-394-6523
NSN 6320-00-433-2773
NSN 2925-01-048-4006
NSN 6135-00-826-4798
NSN 6150-00-832-6956
NSN 5910-01-286-9647
NSN 5935-01-003-8602
NSN 6610-01-210-8493
NSN 5985-01-142-2821
NSN 5999-00-168-4443
NSN 5905-01-439-2810
NSN 4140-01-467-9977