Three-pair of reading glasses by OPTX∙20/20 at one affordable price. Each Valupac features our OPTX Tec reading glasses. Unisex, one-piece frames are lightweight and provide maximum comfort. Every Valupac includes frames in three popular colors: crystal clear, crystal black and crystal tortoise shell. Valupacs are available in five strengths/powers (+1.50, +1.75, +2.00, +2.50, +3.00).