What is blue light? Blue light is high-energy light that screens emit that can have negative impacts on our health and wellness. What are the effects of blue light? Digital eye strain, which includes blurred vision, dry eyes, headaches, and eye fatigue.Sleep disruption, which includes difficulty getting to sleep and problems staying asleep. The Felix Gray Embedding Method Clear lenses Filters at highest energy (380-440 nm) Filters at peak screen emittance (455 nm) Filters sleep range (459-484 nm) Quality lenses and longevity Ophthalmic quality Different Shapes for Different Individuals Rectangular Sleek and contemporary, rectangular glasses are wider than they are tall. Rectangle eyeglasses are ideal for wearers with round, oval, oblong, and heart shaped faces. Explore our Faraday, Carver, and Jemison glasses to find the style that fits you. Square Why change the classics? Square shaped eyeglasses create a subtle, yet refined look and perfect for any occasion. Square eyeglasses are ideal for wearers with oval, round, oblong, and heart shaped face. Explore our Nash, Hopper, and Haro glasses to find the style that fits you. Circular Circular eyeglasses are characterized by curved frames that are equally wide and tall. Circular frames can soften an angular face and convey a vintage look. Round-shaped frames are ideal for people with oval, square, oblong, or heart shaped faces. Explore our Roebling and Hamilton glasses to find the style that fits you. Faraday - Black Carver - Mahogany Haro - Gold Nash - Whiskey Tortoise Roebling - Amber Toffee Hamilton - Silver Buying Options Add to Cart Buying Options Add to Cart Add to Cart Buying Options Customer Reviews 4.1 out of 5 stars 129 4.3 out of 5 stars 41 — 4.3 out of 5 stars 52 4.2 out of 5 stars 39 3.7 out of 5 stars 13 Price $78.40$78.40 $98.00$98.00 — no data $98.00$98.00 $98.00$98.00 — no data Shape Rectanglar Rectanglar Square Square Circular Circular Material Acetate Acetate Metal Acetate Acetate Metal Fit Wide Medium Medium Medium Narrow/Medium Narrow/Medium Colors Available Black, Burnt Amber, Panorama Black, Mahogany Silver, Gold Whiskey Tortoise, Black Amber Toffee, Sazerac Crystal Silver, Gold Features 3-barrel hinge, Italian Mazzucheli acetate, Standard Nose Bridge 3-barrel hinge, Italian Mazzucheli acetate, Standard Nose Bridge Adjustable nose pads, 3-barrel hinges, German engineered metal Keyhole bridge, 3-barrel hinges, premium italian mazzucchelli acetate Keyhole bridge, 3-barrel hinges, premium italian mazzucchelli acetate Adjustable nose pads, 3-barrel hinges, German engineered metal Size 53-17-145 50-17-145 48-22-140 49-17-140 49-18-140 49-21-140