Vision Training Glasses is a relaxation sunglass for the eyes. It was developed with the aim of helping your eyes relaxed by exercising it in a natural and healthier way. Simply wear these glasses for at least 15 minutes a day to give your eyes a break ideal for people who are on the computer all day. Vision Training Glasses features a durable plastic frame and lenses with dozens of pinholes that gradually disappear after the eye has adjusted, a built-in bridge rest and a hinged temple pieces. Vision Training Glasses comes with an instruction manual and weighs less than 1oz.