Replacement Lens LP-4
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.
Optical Glass Prismatic Lenses.
Ground and polished to precision optical standards
Bevel edged and mounted in interchangeable plastic frame.