Ace's rounded shape pays homage to Revo's best-selling styles from the iconic 90's H2O Collection. Not only does Ace look good, but the cutting-edge Revo Blue lens tech filters the most harmful rays of Blue light from digital screens to reduce eye strain. True to Revo's industry-creating lens technology, the Revo Blue lens also blocks 100% of UV rays. Ace is a handmade acetate frame with a vintage fit featuring a stylish keyhole bridge. Small/ Small- Medium Fit. Measures 50 -19-145. Lens Height 43 mm. Unisex. Available in Diopter: 0.0, 1.0, 1.5, 2.(Color :Crystal Blue Size: 50-19-145 Diopter 0.0)