Pinhole Glasses
Product Details
Trayner pinhole glasses consist of conventional spectacle frames with the lenses replaced by opaque screens containing lots of small holes. Looking through the pinholes immediately makes blurred
vision sharper. This can help people learn to focus where they had previously needed glasses.
Looking through the pinholes immediately makes blurred vision sharper.
- Country:United Kingdom
- telephone:44-1803-868211
| Looking through the pinholes immediately makes blurred vision sharper. |
