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Since eyeglasses were invented in Italy in the 13th century, there have been few developments in eyesight correction. In fact, portraits of eyeglasses-wearers painted in the 1400s show what look very much like NHS spectacles. Contacts have only been around since the 1950s, although Leonardo da Vinci showed foresight by sketching some early examples in his notebooks.

You may be interested in learning one of the latest developments in the science of vision enhancement to augment spectacles.

If you are a short-sighted sportsman or woman, work in a dusty workplace or suffer from dry eyes, wearing eyeglasses or Contact lenses during the day may not be an option. The Ortho K system – Contact lenses that correct short-sightedness while you sleep – could offer a solution. What happens is that you wear the special gas permeable Contact lenses at night and it somehow reshapes the clear covering of your eye (cornea) to correct your visual imperfectness and give you perfect vision when you arise from your sleep. The visual benefit can be found for at least 24 hours and sometimes a little longer – so you have to go on to use the product every night. Swimmers, rejoice: you can wear them in the pool, too. Clearly, this isn’t a cure, but it is safe, quick and easily reversible. It may also slow down the progression of your nearsightedness. Although the science has been around for about 50 years, the new technology has made it far more economical.