Pinhole Glasses
1) The glass helps to relax the eyeball muscle, and adjust eye focus.
2) 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.
3) You can feel the relaxation once you ware it and afterwards.
4) Good and simple eye relaxation for a large population whose job causes.
5) Tired eyes: Students, teacher, white collar, computer users. Age from child to aged people, etc.