SPECIFICATIONS: Size 55-18-140 EYE (Horizontal lens width) 55 DBL (Nose bridge width) 18 TEMPLE length 140 Shape Rectangle Bridge Type Universal Frame Type Adult Frames Can RX? Yes Gender Male Front Material Acetate Frame Material Plastic Temple Material Acetate Hinge Type Spring Hinge Rim Type Full rim Segment Jhane Barnes RX Choosing your size: There are three common measurements usually printed on the inside of the temple, check your current specs to compare (keep in mind style changes specs so consider all measurements) - horizontal lens width ( "Eye" ), bridge width ( "DBL" ) and Temple length. See the diagram for details. *frames don't come with the prescription lens