Sunlight could stop short-sightedness.

A spreading pandemic of myopia among the world’s urban children may be avoided if children spend at least two to three hours each day outdoors. Australian scientists from The Vision Centre say there is persuasive evidence that increased exposure to daylight can prevent the permanent short-sightedness and eye damage which now afflicts up to 80-90 per cent of children in cities in East Asia such as Singapore and Hong Kong.
Read article at physorg.com

A lack of exposure to sunlight, rather than too much time spent in front of the television or playing computer games, has been found to damage childre

Spending time in sun can prevent children becoming short-sighted
article in the Telegraph

Extract:

"The study, carried out by researchers from the Australian National University and Sydney University, compared the eyesight of young Chinese Australians and Singaporeans. It found that 30 per cent of six-year-olds in Singapore need glasses, compared with 3 per cent of Chinese Australians.

Both groups spend the same amount of time playing video games, reading and watching television, but children in Singapore spend an average of 30 minutes each day outside, compared with two hours in Australia.

The figures were similar when contrasting children of Chinese descent from both nations, allowing researchers to eliminate ethnicity as a factor.

Short-sightedness is traditionally a problem among the highly educated who spend a lot of time indoors, lead researcher Professor Ian Morgan said.

"There's a driver for people to become myopic and that's education," he said. "And there's a brake on people becoming myopic and that's people going outside."

Mr Morgan said the research found playing video games had the same effect on vision as reading, using the computer had a "neutral" effect, and watching television had no affect at all."

Contact lenses that may reduce short-sightedness

The contact lenses that could restore 20/20 vision - Independent

Extract:

"You wear lenses while you sleep, then wake up with perfect vision. Short-sighted Jimmy Lee Shreeve tried it - and couldn't believe his eyes."

It's a long, detailed article and should be read if you are contemplating this purchase. The writer of the article has found the procedure successful but a bit expensive.

Further extract:

"What is Ortho-K?

The procedure has its roots in a Chinese technique, in which sufferers would sleep with small bags of sand on their eyes. Because myopia is caused by the eyeball lengthening, the weight of the sandbags would temporarily flatten the eye.

Ortho-K was discovered 40 years ago, when opticians noticed that some patients could see better after they removed their contact lenses. At first, a series of lenses were needed, each one flattening the cornea to a small degree over a period of weeks. It is now possible for vision to be restored in two days.

The benefits

* 20/20 vision without contact lenses and glasses.

* Ideal for contact sports and swimming.

* Research suggests that the treatment can slow the progression of short-sightedness in children.

* Non-surgical and 100 per cent reversible.

Black belt

Ortho-K has been a godsend for tae kwondo black belt Carly Wilson. She competes for England internationally, but the sport doesn't allow glasses and the soft contact lenses she wore dried out or became dislodged during the rough and tumble of the sport. Her opticians suggested she try Ortho-K. " It turned out to be the answer to my prayers," she says. "I have perfect vision all day and now I won't have to consider laser surgery, which was one alternative I might reluctantly have taken." "


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