Prive Revaux The Victor Blue Light Blocking Reading Glasses Strength +3.50, Brand new with case 46-20-138 Well, don't you look smart! These reading glasses look and act the part with lenses that feature blue light protection to help block harmful electronic rays. Includes readers, trifold case, and microfiber cleaning cloth Style: The Victor Blue light protection; barrel hinges Lenses can be swapped out for prescription lenses Each lens measures 1-3/4"W x 1-1/2"L