Here's what the eye condition is, what causes it and how cataracts are treated once diagnosed.

But the other two are surprisingly sophisticated; like Nilsson’s eyes, they have light-focusing lenses and can see images, albeit at lower resolution. Nilsson uses his eyes to, among other ...

I will often take a retinoscope, and I will shine the light beam into your retina and by seeing the reflection of that eye come back at me, I can dial in lenses ... be seen inside the eye, you ...

Here's what the eye condition is, what causes it and how cataracts are treated once diagnosed. Cataracts are a clouding of the lens inside your eye — a lens that is typically clear when we are born.