Call of Duty Clip-On Gaming Eyewear - Xbox One High contrast lens increases subtle game details and improves shooting accuracy Optical quality lens with +.20 diopter enhances game graphics an increases visual clarity Engineered frame design provides extended comfort and improves product durability Curved lens cuts down distracting peripheral light, improving focus and attention to game detail Anti-glare coating reduces reflections and improves screen view, and hard coating reduces scratches and extends the life of the lens