OptiVISOR LX Magnifier #7 The Optivisor LX is a more lightweight version of the original Optivisor, and features durable, highly polished optical polymer prismatic lenses which are impact and scratch resistant! The OptiVisor LX is a precision headband magnifier which offers "hands free" use and reduces eye strain. Great for beading, making jewelry, or just reading. OptiVisor LX can be worn over prescription eyeglasses, and easily flips up, out of the way when not needed. Each of the two magnified lenses are 1-1/2" wide x 1-1/8" high, and snap securely to the adjustable visor. Working Distance: 6" Magnifies: 2.75X Optivisor LX is equipped with these unique features:Optical Polymer 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.