World report on vision
At present at least 2.2 billion people around the world have a vision impairment, of whom at least 1 billion have a vision impairment that could have been prevented or is yet to be addressed. The world
Blindness
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Seeing the light
In Africa's Rift Valley, a simple fly trap is helping to check the spread of the second leading cause of blindness in the world. The inventor David Morley, a retired specialist in tropical child
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AUSTRALIA
Millions of kangaroos in the outbacks of Australia could now hope to be saved from a possibly dark fate owing to blindness as scientists have isolated the virus responsible for it. The kangaroo
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Colour clues
Warped placements of the green and red cones makes a person colourblind. As a result, 1 colour is replaced by black enhancing the brightness of the other. Scientists at Aston University in the