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 6320-01-322-8340
NSN 5835-00-422-1441
NSN 6130-00-661-0197
NSN 5999-01-431-3365
NSN 6240-01-266-0703
NSN 6650-01-412-1490
NSN 6610-01-339-8300
NSN 6105-01-644-3777
NSN 6645-00-113-4441
NSN 6130-01-080-1633
NSN 6105-01-518-6408
NSN 5990-01-144-6994