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Articles on Vision

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Human eyes are unique among primates for their range of iris colours and unpigmented sclera. Wikimedia Commons

Making sense of our evolution

The science about our special senses - vision, smell, hearing and taste - offers fascinating and unique perspectives on our evolution. Yet it remains patchy; we know surprisingly little for example about…
The mantis shrimp has 12 types of visual cones. Klaus Stiefel/Flickr

Inside the colourful world of animal vision

As humans, we live in a colourful world, but differences in visual systems means that not all animals see the world in the same way. Unlike other aspects of an object such as size or mass, colour is not…
Here’s looking at you kid. Glasses by Shutterstock

Why parents remember dental checks for children but overlook eye tests

This time of year is synonymous with going back to school and often a reminder for parents to take their children to the dentist. It’s also a perfect time to undergo a check on eyes and vision, but few…

‘Blind’ cells sense light

Melanopsin pigment in the eye could be more light sensitive than the pigment that allows for night vision, rhodopsin. A two-year…
When approaching a vertical surface, honey bees calibrate their speed to land safely. photophilde

How to land safely on a vertical surface, bee-style

Landing is arguably the most nerve-racking element of any flight. To execute a safe landing, a pilot needs to know the plane’s speed and its distance from the landing surface. The pilot’s challenge is…
With 16 photoreceptors to humans’ three, mantis shrimp see the bigger picture. DiverKen

Mantis shrimp have the world’s best eyes – but why?

As humans, we experience an amazing world of colour, but what can other animals see? Some see much more than us, but how they use this vision is largely unknown. We see what we see because our eyes have…
Say that again? Hearing aids as fashion? Flickr/Dilliweed

Make hearing aids available on the high street to fight stigma

More than one in ten middle-aged people has difficulty following speech in noisy environments, according to an analysis of 165,000 people in the UK Biobank, a project following the health of half a million…

Fly larva brain makes up for poor vision

The fly larva brain’s ability to process visual information can make up for low visual input. Researchers discovered that…

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