Pinhole Glasses,Wholesale china

Description: 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, e
Colors: Assorted
Themes: Decoration
Imprint: Blank
Packaging: 100 pcs/ctn Production Time: 15 to 60 working days