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 5935-01-259-3792
NSN 5996-01-167-8914
NSN 6685-01-173-5618
NSN 6145-00-916-9556
NSN 6145-01-528-0247
NSN 5999-00-391-9947
NSN 6685-01-337-1408
NSN 6150-01-070-8270
NSN 6650-00-349-8732
NSN 5999-01-328-2648
NSN 5835-01-068-7849
NSN 5996-00-404-7813