Orthokeratology involves wearing a specially designed rigid contact lens overnight. There’s good evidence it can help slow the progression of myopia. But like all treatments, there are risks, too.
A health worker examines a child for signs of trachoma
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The Gambia’s success in eliminating trachoma means that resources previously allocated to combating the disease can now be reallocated to other public health conditions
Whether in the wild or in the lab, worms have an interesting story to tell.
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‘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.
Are there places in the body where SARS-CoV-2 can hide from the immune system?
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Having longer top eyelashes can enhance our ability to express our feelings and communicate with others. But the most significant reason we have them is to protect our eyes.
The cause of many inherited eye diseases are a mystery.
Milos Batinic/Shutterstock.com
The causes of most inherited forms of blindness are unknown. Now more than 260 genes never before linked to eye development could lead to new therapies and diagnostics.
‘Seeing’ through robot eyes.
Shutterstock/TrifonenkoIvan
For roboticists looking to nature for inspiration on how animals see the world, there’s a tension between mimicking biology and capitalising on the advances in camera technology.
How much an ant can see depends on its size.
Flickr/photochem PA
Thomas Cronin, University of Maryland, Baltimore County
We’re used to thinking of our eyes detecting light as the foundation of our visual system. But what’s going on in other cells throughout the body that can detect light, too?
Accurate diagnosis of glaucoma requires trained specialists and advanced equipment.
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Mammals’ ancestors had a third eye and the fossil record of its disappearance tells us the story of the evolution of one of our most important features: warm blood.
It’s easy to tell the direction of the human gaze.
Laurinemily at English Wikipedia
How does your brain deal with the ambiguous and variable visual information your eyes collect? Neuroscientists think it bets on what’s the most likely version of reality.
Visiting Fellow, Research School of Biology and Distinguished Visiting Fellow, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou, CHina, Australian National University