vision
Researchers find way to stop vision loss among elderly
Almost 200 million people in the world have macular degeneration.
Dogs are colour blind: study
Previous research has shown that dogs have poor vision, and are up to eight times worse than humans at seeing things in detail.
Delhi man gets yellow spots in eyes caused by sun-gazing for 35 years
He did it as part of a religious practice and complained that his vision was deteriorating for the past few months.
Bad eyesight sign of dementia risk: study
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Blinking stabilises vision by enhancing brain function
The brain gauges the difference in what we see before and after a blink, and commands the eye muscles to make the needed corrections.
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