Why don't you see a black hole in your vision from your blind spot?

A medium science trivia prompt from the quest1on archive. Try it first, then compare your answer with the explanation and related questions below.

Explanation

Your brain literally invents what it thinks should be there based on surrounding information. This is called "filling in" — you're seeing a fabrication every moment.

Did you know?

Your brain literally invents what it thinks should be there based on surrounding information. This is called "filling in" — you're seeing a fabrication every moment.

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