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.