CLEAR LAKE Eyeglasses by Blackfin. Color: Bright Blue/Gradient Blue, Brushed Gunmetal/Gradient Smoke, Green/Gradient Green, Optical White/Crystal, Magenta/Gradient Brown, Size: 49-21-145. Discover the Clear Lake for a blend of classic design and modern functionality. These eyeglasses feature a robust titanium frame with a lightweight feel, making them ideal for daily wear. The Clear Lake’s clean lines and refined details make it a versatile option for any occasion.