Why is it so hard for humans to move their eyes in different directions? (Like chameleons)
In: Biology
ELI5: the human brain wants to focus very clearly on what it sees. In order to best do that, it uses both eyes to get a clear, sharp image. It has the ability to move the eyes independently a little bit, because the muscles closest to the nose are stronger than the muscles closest to the ears, that’s how people are able to do the “ cross eyed” look.
But If you’ve ever tried doing the “cross eyed” look, you probably notice a blurry double image.
Not focusing both eyes on the target doesn’t give your brain the information it needs to produce the clear image it likes.
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