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 6150-01-032-8645
NSN 5945-01-548-0933
NSN 6240-01-423-4234
NSN 5965-01-641-0237
NSN 5855-01-020-7982
NSN 6685-00-964-7774
NSN 5975-00-115-8790
NSN 6150-00-915-6790
NSN 5835-00-969-5771
NSN 6610-01-478-5325
NSN 5965-01-168-0150
NSN 6145-00-343-5967