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berael t1_j6jm8qy wrote

Your pupils clamp down quickly because very bright light can damage your eyes. Kinda an "emergency lockdown" situation.

They can expand more slowly to be cautious of overdoing it.

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Aeder42 t1_j6juxu8 wrote

Although there is some truth to what you're saying, the adaptation period is due to the retina rather than the pupil

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