2013 popular pinhole glasses

hot sales pinhole glasses 

 1.Function :

Helps to relax the eyeball muscle.

Adjust eye focus.

2.Theory:

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.You can feel the relaxation once you ware it and afterwards.

3.Package:

Packed in a Color box,including a clear plastic bag,a Manual and black Velvet Bag