Tommy Edison (previously) routinely makes videos t...  ...ig difference between the two. Once you know what sight is like, you can miss it terribly. But you can re...

It's hard to imagine your vision working completely different than it does, which is why these illustrations helping people with "normal" vision understand what colorblindness looks like are so fascinating. If you're not...

Is there something in our brains that make humans see the same geometric patterns during drug use, illness, or near-death experiences? Even pressing on our eyes can induce the same spirals other people see. Research by p...

Normally, babies learn how to look at the world be...  ...ave been blind all their lives and then had their sight restored offer scientists a unique opportunity to...  ...entists asked patients who had recently had their sight restored to identify and trace the shapes they sa...  ...y and trace the shapes they s...