Question

what is optical illusion?​

Answer 1

Answer:

Optical illusions happen when our brain and eyes try to speak to each other in simple language but the interpretation gets a bit mixed-up. For example, it thinks our eyes told it something is moving but that's not what the eyes meant to say to the brain.

Answer 2

Answer:

an experience of seeming to see something which does not exist or is other than it appears.