'Worm' is really a catchall term for a huge variety of animals with different characteristics that span the tree of life. They hold clues about our own origins as well as hints about human health.
A tiger’s vertical stripes help it blend in with trees and grasses in its homelands in Asia.
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With online learning and social distancing, kids are spending more time staring at screens and less time outdoors. That can put them at higher risk of myopia and serious eye problems in the future.
Laser surgery is performed successfully in 95 per cent of cases but the operation can turn into a nightmare requiring complex treatments because it is a new, poorly documented field in medicine.
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Laser surgery is touted as a good way to get rid of eyeglasses, but not everyone is suited for it. Plenty of research should be done before taking the plunge.
Part of the cause of short-sightedness is also in our genes.
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Cataracts, which can be experienced by anyone as they age, happen when the lens of the eye gradually becomes less transparent. There are ways, however, to correct this.
Gene therapy trials may mean that the next generation of children born with inherited eye diseases have treatment options.
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People who are blind have made great strides in the workplace in the 55 years since the US first observed White Cane Day. Yet discrimination in employment still remains, two experts explain.
Give yourself time and you can see in the dark.
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Just the tiniest bit of light can let you see in the 'dark.' Here's how your eyes do it.
Vision is the most important source of information on which driving conduct is based. Poor vision of drivers has been found to be the cause of many accidents.
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When you head out onto the road, there's always a chance that you might encounter a driver who has a vision problem, putting his or her driving at risk. Regulations need to change.
Eyes surprise: fossil eyes from a 54 million year old cranefly.
Lindgren et al./Nature
While the 50th anniversary of the first Moon landing is an opportunity to celebrate a remarkable technological achievement, it's worth reflecting upon the creative vision that made it possible.
A health worker looks on at an Ebola transit centre in Beni in North Kivu province, DRC.
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