Sunday, August 25, 2013

An Eye Exam in a Pocket!

This is aweome!!
Cataracts cloud Mirriam Waithara's world and leave her almost blind.
She lives in a poor and remote part of Kenya where there are no opticians to pick up the problem and she is far from the only one.
The World Health Organization says 285 million people are blind or visually impaired.
The reason is often simple and easy to treat. A pair of glasses or cataract surgery can transform someone's eyesight.
It is thought that four out of every five cases can be prevented or cured.
Even in the poorest parts of the world there are often eye doctors in the major towns and cities.
However, says Dr Andrew Bastawrous of the London School of Hygiene and Tropical Medicine, finding patients is often the problem.
He is trialling a smartphone app called Peek (Portable Eye Examination Kit) on 5,000 people in Kenya.
It uses the camera to scan the lens of the eye for cataracts.
A shrinking letter which appears on screen is used as a basic vision test.
And it can uses the camera's flash light to illuminate the back of the eye, the retina, to check for disease.

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