Specification :

A safe, relaxing and completely, natural vision training technique!
Many people who' ve used pinhole glasses, for even a short time, comment on how more relaxed their eyes are and how they can see more clearly. Pin Hole glasses are most suitable for activities such as sitting indoors and outside, reading, computer work, and watching TV.
1. traditonal design & modern design
2. Use stretchy and indefectible material PP
3. considerably cheaper than prescription glasses