Question

why can't we see when we close our eyes?

Answer 1

Explanation:

Our eyes don't turn off in the dark, but instead theycreate very weak internal signals that mimic light. ... Your brain doesn't know they weren't produced by real light, so we think we're seeing coloured lights and patterns that are not there. It's a kind of illusio

Answer 2

Explanation:

Our eyes don't turn off in the dark, but instead they create very weak internal signals that mimic light. ... Your brain doesn't know they weren't produced by real light, so we think we're seeing coloured lights and patterns that are not there. It's a kind of illusion!