why does a persons sight become more focused when you squint?

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Answers:
Squinting squeezes the eyeball slightly, elongating it's axis which can bring some things more into focus for those who are short sighted (have too short an axis to the eyeball).

Really tight squinting where the eyelids are almost closed, uses the pinhole camera principle. Try it - make a small hole in a piece of card, hold it close to one eye and look through it - everything will be in focus.

Other Answers:
I think its because you force your pupils to dialate and somehow focuses the light more onto your retina.

probably because you change the angle at which light enters your eye thereby focusing the image much better on your eye.

Simple-- the eyes that is slightly veering to the left right or othwerwise is lazy-- the other eye is working extra hard to focus and make work for them both

Because it changes the shape of the lens in your eye

by squinting, you're putting preassure on the actual eyeball and changing it's shape, which changes how light focuses on the retina, which sometimes clears the vision of distant objects. not good to squint, though, it's not a permenant solution if you have vision problems.

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why does a persons sight become more focused when you squint?

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