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 5910-00-421-3662
NSN 6105-01-226-8125
NSN 5965-01-468-0587
NSN 6320-00-405-2348
NSN 5999-00-078-9347
NSN 6320-01-253-1028
NSN 5925-01-258-4640
NSN 7035-01-449-1189
NSN 5835-01-262-6561
NSN 6105-01-263-0727
NSN 6145-01-330-6794
NSN 6110-01-223-4682