In the specialized fields of ophthalmologyand optometry, doctors measure sight by having you focus on a central point while keeping your head still. You’ll also be able to see above and below the ...

This is an image to demonstrate visual 'crowding' and test peripheral vision. Ensure that the red dot in the centre of the image is at eye level and focus on it. While holding your focus on the red ...

A tiny wireless chip implanted in the back of the eye and a pair of high-tech glasses have partially restored vision to ...

Imagine slowly losing the center of your vision, like a camera lens fading to fog. That's what happens with geographic ...

This is an image to demonstrate visual 'crowding' and test peripheral vision. Ensure that the red dot in the centre of the image is at eye level and focus on it. While holding your focus on the red ...

In a new optical illusion, dots appear purple in central vision but blue in peripheral vision. Here's how it works.

A scotoma is a blind spot in your vision, which is an area you cannot see. Blind spots may be small or large and can be temporary or permanent. A scotoma can also move around to different places in ...