Alleviates visual fatigue and discomfort from long periods of web surfing, gaming and working under fluorescent lights with UV400 protection and glare reduction.Enjoy your digital time, NO worry about eye fatigue, blurred vision and headache.Amber lenses block more blue rays than others and see more realistic.You’ll never have trouble with sleeping again.Ultra-lightweight and flexible TR90 nylon frame material for durability and comfortable long-term wearing. Casual frame design keeps you looking professional and stylish while working or playing video games.Lens Width: 52mm(2.05inches), Lens Height: 42mm(1.65inches), Temple Length: 140mm(5.51inches), Nose Bridge: 14mm(0.55inches)