Playing games for a long period of time can cause eye strain and potential headaches. The ClearOptix Gaming Glasses allow you to avoid these symptoms along with increasing your visual accuracy and performance. In addition, they improve contrast and sharpness in your vision during gameplay helping you to AVOID any possible negative effects . The ClearOptix Gaming Glasses feature a hard coat scratch resistant 1.0 mm TAC amber lenses and durable lightweight frames perfect for long gaming sessions!