A transparent optical element having a spherical curve and a cylindrical curve used to correct vision defects of the eye.
Classification: Contact lenses
NSN 4140-00-613-9209
NSN 4140-01-571-5533
NSN 5975-00-265-0661
NSN 6135-00-826-4798
NSN 6620-01-391-7331
NSN 6645-00-585-5932
NSN 5895-01-534-7568
NSN 6220-01-131-5295
NSN 5975-01-659-0972
NSN 6610-01-003-9763
NSN 5960-00-007-8263
NSN 5950-01-419-3429