For example, someone with 15/20 vision in either eye may be able to see 20/20 with both eyes. What enables you to see more sharply than either eye individually?
In: Biology
Think of eyesight as two cones that leave each eye and cross paths in the middle so what you focus has two seperate images(one from left field of view one from right) the advantage of it is you have two coordinates that so you can pitpoint the ecact location on the given space but with one eye you only can estimate it.
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