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 5945-01-462-1555
NSN 6610-01-215-8489
NSN 6320-01-572-6395
NSN 5985-01-025-6051
NSN 5915-01-135-5415
NSN 6620-00-090-1601
NSN 5975-01-640-8813
NSN 5905-01-397-6438
NSN 6610-00-561-5600
NSN 5855-00-411-8688
NSN 6645-00-418-2133
NSN 6135-00-934-9550