A transparent optical element having equal spherical diopter curvatures used to correct hyperopic (farsightedness) or myopic (nearsightedness) conditions of the eye.
Classification: Lenses, prisms, and mirrors, unmounted, nesoi
NSN 5996-00-178-1016
NSN 6610-01-311-8230
NSN 5950-01-231-7013
NSN 6105-01-607-6572
NSN 5975-01-150-1654
NSN 6130-01-600-4724
NSN 5895-01-358-2810
NSN 6135-01-347-0201
NSN 5895-00-263-3983
NSN 6240-00-405-4847
NSN 6110-01-497-0112
NSN 6145-00-082-1906