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 ...

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 ...

Somerville, Massachusetts-based eye diagnostic tool maker EyeNetra raised $4 million from one investor, according to an SEC filing. This brings EyeNetra's total funding to at least $7 million.

When you think of vision trouble, you might look at the issue head-on—literally. Determining how well you can see right in front of you is often the gauge for whether or not it’s time for a ...

Hemianopia is a loss of half a person’s peripheral vision. This means a person loses the right half or left half of vision in each eye. Hemianopia can occur from injury to the brain, such as a stroke.