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Special Contact Lens To Prevent Short-Sightedness

by Gopalan T on May 12, 2011 at 9:28 AM General Health News

A special contact lens can slow the progression of myopia. In certain cases it could halt the short sight problem altogether. The special lens gently reshapes the front surface of the eye during sleep at night, a new study suggests.

Special Contact Lens To Prevent Short-Sightedness

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The finding suggests that orthokeratology (OK) lenses may help to reduce the growing incidence and severity of myopia throughout the world, and especially in Asia.

"The race is on around the world to develop clinical techniques to deal with the myopia epidemic in East Asia," says Professor Helen Swarbrick, who heads the UNSW Research in Orthokeratology (ROK) Group.

"Our research has demonstrated conclusively that OK is effective, at least in the short term, in stopping the eye growth that causes myopia progression."

It is unclear why the incidence of myopia has risen so dramatically, especially in East Asia.�

In Taiwan, as many as half of all children in kindergarten wear glasses and by the age of 18 about nine out of 10 Taiwanese are myopic, Professor Swarbrick notes.

"It's been suggested that genetic factors, dietary change and a surge in people doing more close work � that is, reading, watching TV and looking at computer screens � are involved but we don't really know.

"What we do know is that myopia involves the elongation of the eyeball and the significance of our study is that it holds out hope that if we get to these kids early, using these lenses can halt the progression of the condition and that will have a major social benefit in the long-term."

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Special Contact Lens To Prevent Short-Sightedness

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