Learn about causes of gradual and sudden-onset blurred vision, from eyestrain and refractive errors to cataracts and strokes, ...

The eye acts like a camera, capturing light through the front surface (the cornea) and focusing it onto the "film" at the back of the eye (retina). To get a clear picture, the eyeball and all of its ...

We have all been there; sitting in the optician’s, letter card on the wall. “Now which lens is better, this one or this one?” she says, matter-of-factly. “This.” “Yes.” “And this one?” You question ...

Have you ever gone to the optometrist for an eye test and were told your eye was shaped like a football? Subscribe to our newsletter for the latest sci-tech news updates. Or perhaps you've noticed ...