Why even with only one eye open, and therefore no depth perception, do we still have to focus on objects near and far?

Question

What happens in each eye individually when you cross them that makes them focus closer if it isn’t just simply two converging images?

In: Biology

Answer 1

Outside of changes in your photoreceptors, your CNS is trying to put the information it is receiving into a context that makes sense to it. To do this it uses priors or learned information to try and do what it’s done before