Blue Vision Correction Pinhole Glasses for Kids Eye Exercise and Eyesight Improvement Training Glasses

Size:12x11x4.5cmMaterial:PCPacking: 1 x Pinhole GlassesFeatures:1.With pinhole design, the glasses only allow narrow beam of light to enter your eyes, which can can help to exercise your eye muscles and relax your eyes, specially used to improve vision or eye focusing problems.2.Our pinhole glasses are made of high quality pvc material, comfortable, portable and stylish design. This pinhole glasses can be worn by anyone, whether you're short or long-sighted, suitable for both short and long-distance.3.Our pinhole glasses are very easy to wear, and you can wear it by yourself without the assistance of a specialized optician. Just wear this eye glasses for over 15 minutes per day,and you can activate your natural vision ability to see clearly, also reduces dependence on glasses