Hardcoated for anti-scratch durability Anti-reflective and blue-light-blocking CR39 lenses Handcrafted acetate design 52mm Caddis Eye Appliances' most widely worn model, the signature Miklos is perfect for faces large and small. The thick frame is stylish and solid and helps you stand out in a crowd while helping words stand out to you while you're reading. For a little added charm, the words "Port" and "Starboard" are laser-inscribed across the top of the respective lens.