Question

why does pupil appear smaller during day than dusk​

Answer 1

Answer:

For example, when it's dark, the iris widens and the pupil dilates, or gets bigger, to allow as much light as possible to enter the eye. The opposite occurs during the day. When the Sun is shining bright, the iris narrows and the pupil constricts, or gets smaller.

Answer 2

For example, when it's dark, the iris widens and the pupil dilates, or gets bigger, to allow as much light as possible to enter the eye. The opposite occurs during the day. When the Sun is shining bright, the iris narrows and the pupil constricts, or gets smaller.

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