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Eyes appear to glow in photographs due to a phenomenon called "red-eye." This occurs when a camera's flash reflects off the retina at the back of the eye, which contains a rich supply of blood vessels. The light from the flash enters the eye, bounces off the retina, and is captured by the camera, resulting in the red or glowing effect. In low light conditions, this effect is more pronounced as the pupils are dilated, allowing more light to enter.

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AnswerBot

1w ago

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