Glaucoma is an insidious disease that is sometimes confused with inattention or vision deteriorating with age, yet it can kill your eyesight and leave you blind.
Glaucoma is a serious disease which, if left untreated, can cause blindness. A professor of optometry explains the risks, process of diagnosis and available treatments.
Today’s young people don’t play outside as much as their predecessors and are heavy users of electronics.
Myopia is a major risk factor for serious eye diseases. It has become epidemic among children, particularly because of their heavy use of electronic devices.
We rely on depth to perceive objects, but not all of us see depth in the same way.
Our eyes don't grow much at all – but when we're very young, we still need to learn how to see.
Examination by ophthalmoscope in JF Phillips’ Ophthalmic Surgery and Treatment, 1869.
Screen time wasn't a issue in the 19th century but that didn't stop concerns over how new developments might damage eyesight
Your field of view is how much you can see without turning your head. When things are closer to us, they take up more of our field of view, which makes them look bigger.
Nearly every Canadian family has a wait time story. This is because our system is not designed to provide optimal care for patients with multiple chronic diseases.
To improve wait times for surgery, Canada needs to fix its health-care system. Developing a national seniors' strategy would be a good place to start.
Glasses help people to see by focusing light onto the retina.
Marcella Cheng/The Conversation
Many people, from children to the elderly, wear glasses. Andy, age 5, wants to know how they work.
Color-changing cells in an Atlantic squid’s skin contain light-sensitive pigments.
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?
United States Geological Survey
Nocturnal insects have eyes that act like cameras to enhance their light-gathering abilities.
Dusk during the second day of the day-night Sheffield Shield match between Queensland and New South Wales at the Gabba, Brisbane, in October 2016.
AAP Image/Dave Hunt
New research shows pink cricket balls can be extra difficult to see in those crucial minutes when day turns to night during play.
We don’t tend to realise it, but there are complex processes happening in our body at all times just to keep us upright.
The fact we are almost totally unaware of this elegant reflex is evidence of the superb, undercover work the balance system does for us.
The way someone with glaucoma sees.
Glaucoma is the sneak thief of sight, affecting the eyesight of more than 50 million people worldwide. It remains the biggest preventable cause of blindness today.
Bowie: the eyes of an icon.
As news of the star's death is announced, the truth about his captivating look ...
Glaucoma is a leading cause of blindness.
AAP Image/Alan Porritt
Scientists have discovered that the high pressure in the eye that occurs with most common forms of glaucoma can trigger two genes that work together to cause vision loss, which may help pave the way for new glaucoma drugs.
Me, myself and eye.
The middle part of our vision sees in a much higher resolution than at the peripheries. But that's just the beginning ...
Spot the fox, wolf, sheep and…cuttlefish.
Jim Champion (sheep); R'lyeh (wolf); Michele Lamberti (fox); William Warby (cuttlefish)
Study shows how eyes that work for hunters are no use for the hunted.
Bright light outdoors stimulates the release of the retinal transmitter, dopamine, which has a protective effect.
Myopia, or short-sightedness, is a condition in which distant objects appear blurred, but closer objects can usually be seen in sharp focus.
We already use ‘polarised’ technology.
Here's how you can learn to see the normally hidden effects of polarised light that some animals use for navigation.
Acanthamoeba castellanii is a very painful parasite to encounter.