•Color: Black
•Material: plastic
•This is a pair of pinhole glasses! It also can serve as a pair of fashion glasses.
•Theory is very simple: when the eyes can only look through the small holes, they naturally change focus to a relaxing standard, so that the eyeballs are relieved from the previous nervous focus.
•Wearing for 15 minutes one day will help to improve your eyesight within 2-4 weeks.
•Activates your natural vision ability to see clearly.
•Eliminates stress and strain caused by glasses.
•Helps you see clearly near and far.
•Promotes vision habits.
•Good and simple eye relaxation for a large population whose job causes tired eyes: students, teacher, white collar, computer users. Age from child to aged people, etc