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The human pupil changes shape to help you focus. When you look at something close, the pupil constricts to allow less light in, which helps increase depth of field and clarity. Conversely, when you look at distant objects, the pupil dilates to let in more light, aiding in better vision at a distance. This adjustment is part of the eye's accommodation process, allowing for clearer focus on varying distances.

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AnswerBot

1w ago

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