You can correct weaknesses in your eyes permanently simply by wearing these special pinhole glasses for just a quarter of an hour each day.

A lot of eye focusing problems are caused by weak muscles in the eye. This is especially true of the long-sightedness associated with ageing. These optical grade pinhole glasses are specifically designed to exercise the muscles in your eyes responsible for focusing and enable you to improve vision naturally.

They are constructed in a similar way to high quality sunglasses but instead of tinted lenses they use a grid of tiny holes. When you look through the pinholes it works your eyes' focusing muscles and improves your ability to focus – just like jogging builds up your leg and heart muscles.

The benefits do not stop at your eyes, though. these pinhole glasses also help reduce stress and can prevent headaches and tension.