Blue Light Cut Lens Glasses Black Rectangle Frame Eye Protection Optical Health

Brand new in packaging! They are Blue Light Cut Lens Glasses! The brand is Smile Rocket. They are black in color, and rectangle in shape. Great for protecting your eyes if you stare at a screen a lot (who doesn’t lol)! For when you’re reading e-books, gaming, browsing, shopping, etc! Blocks blue light and prevents eye strain, protects your optical health! “What is blue light? The "blue light" emitted from LED screens such as personal computers, smartphones, and TVs is the light ray with the strongest energy in the visible light. It is thought that as the blue light reaches the back of the retina, the effect on the eyes will be more sharp, and it will bring various issues to the body such as disordered body clock, headache, stiff shoulders, etc.” “Features: • Reduce blue light by about 26% • No distortion, excellent optical performance • Lightweight and high impact strength” “Visible light transmittance: about 94% Ultraviolet transmittance: about 4% or less Blue light region (380~495nm) Average transmittance: about 74% Size: Vertical 35 X Horizontal 140 X Depth 150 mm” (V 1.38 x H 5.51 x D 5.91 inches) Weighs 1.3 oz, without shipping materials!