What do people mean by “you don’t see darkness, you see nothing” if you lose your eyeballs?

Question

I cannot fathom seeing nothing as opposed to just seeing pitch black. An example I was told is “it’s like trying to see out of your elbow”. I still do not get it

In: Biology

Answer 1

The eyes give sensor input and darkness is a sensory input.

You can look into darkness and your eyes will pass information to your brain which will be processed, so you will simulate your brain.