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Articles on Vision

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Fossils of Shuvuuia deserti depict a small predatory creature with exceptional night vision and hearing. Mick Ellison/American Natural History Museum

Nocturnal dinosaurs: Night vision and superb hearing in a small theropod suggest it was a moonlight predator

By looking at the eye bones and ear canals of extinct dinosaurs, researchers show that a small ancient predator likely hunted at night and had senses as good as a modern barn owl.
Children’s increased screen time, exacerbated by remote learning during COVID-19, is directly contributing to increases in childhood myopia. (iStock)

Hidden in plain sight: How the COVID-19 pandemic is damaging children’s vision

The COVID-19 pandemic has resulted in children spending more time on digital devices, which may have a long-term impact on their vision, including the risk of myopia.
It’s disconcerting to think the way two people perceive the world might be totally different. Mads Perch/Stone via Getty Images

Do you see red like I see red?

Neuroscientists tackling the age-old question of whether perceptions of color hold from one person to the next are coming up with some interesting answers.
Whether in the wild or in the lab, worms have an interesting story to tell. Sinhyu/iStock via Getty Images

Why do scientists care about worms?

‘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. Frédéric Soltan/Corbis via Getty Images

Why do tigers have stripes?

How do tigers – a top predator – successfully hunt their prey when they have bright orange fur? The secret’s in their stripes!
With online learning, children are staring at computer screens for more hours each day. Christopher Furlong/Getty Images

Increasing screen time during the coronavirus pandemic could be harmful to kids’ eyesight

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. Shutterstock

When laser surgery turns into a nightmare, the toll can be enormous

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.

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