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 5930-01-528-8348
NSN 7035-01-063-8753
NSN 6685-01-226-1235
NSN 4140-01-509-1137
NSN 5925-00-153-7864
NSN 2925-00-555-0584
NSN 5920-01-100-3018
NSN 6220-01-011-0865
NSN 6145-00-837-3157
NSN 5985-01-045-7802
NSN 5965-01-620-2205
NSN 7035-01-369-1445