Plastic frame Complete anti-reflective lens non-polarized Lens width: 53 millimeters Package Includes: 1 Pair – Computer Glasses with amber tinted lenses to minimize Digital Eye Strain caused by harmful blue light emitted from digital screens. Alleviates visual fatigue and discomfort from long periods of web surfing, gaming and working under fluorescent lights. These light sensitivity glasses also come with UV400 protection and glare reduction. Ultra-lightweight and flexible TR90 nylon frame material for durability and comfortable long-term wear. Casual frame design keeps you looking professional and stylish while working or playing video games. Your computer reading glasses magnification/power depends on how far you are from the screen you are viewing. For a laptop or desktop about 19+ inches away, select a magnification HALF your normal reading power. For a smartphone, tablet or a book about 12 to 18 inches away, select your normal reading power. Try today absolutely risk free with our 90 Days Money Back Satisfaction Guarantee and experience the quality under our Lifetime