It’s caused by a lack of blood flow to the eye. It usually involves a blind spot or complete vision loss in just one eye. But you may experience some of the same visual distortions as with an ...

Try taking a picture of each of North America's roughly 11,000 tree species, and you'll have a mere fraction of the millions of photos within nature image datasets. These massive collections of ...

Imagine that you have low vision and you’re completing an online job application using screen reader software. You get ...

"He had blind spots right in the middle of his vision," said Dr Atan. "That means he can't drive and would find it really difficult to read, watch TV or discern faces. "He can walk around on his ...