OptiVisor is a precision binocular headband magnifier which permits unrestricted user efficiency while reducing eye strain - leaves both hands free and allows three dimensional vision - Used by anyone whose profession or craft requires close accurate work - Can be worn over prescription or safety eyeglasses. New $31.49 (12% off). Features: * Optical Glass Prismatic Lenses - Ground and polished to precision optical standards - bevel edged and mounted in interchangeable plastic frame. *. * It tilts - Adjustable pivots allow the visor to be tilted out of the way when not needed and at your fingertips when you need magnification. *. * Adjustable Headband - Conforms to fit all head sizes - fabricated