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 2925-00-311-0825
NSN 6130-01-295-4358
NSN 5996-00-844-6227
NSN 5998-01-575-1652
NSN 6320-01-631-7828
NSN 6650-01-177-4398
NSN 5945-01-082-6306
NSN 5975-01-294-2800
NSN 6620-01-275-2781
NSN 6320-01-512-2031
NSN 5945-01-033-3043
NSN 5895-01-575-1742