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 6650-01-091-4241
NSN 5985-01-494-0040
NSN 6685-00-918-9308
NSN 5985-01-116-4282
NSN 5999-00-224-6346
NSN 6645-00-755-9782
NSN 2925-01-633-4048
NSN 5855-01-254-3041
NSN 6110-00-064-7006
NSN 5985-00-630-1613
NSN 6650-01-604-9073
NSN 6145-00-722-9700