Why Do My Eyes Glow Red in Photos?

The video explains the red eye effect in photos, caused by a camera flash reflecting off blood vessels in the eye. It describes the eye's anatomy, including the cornea, pupil, and iris, and how they adapt to light. The red eye effect occurs when pupils are wide in low light, and a sudden flash reflects off the eye's blood vessels. To prevent it, cameras may use pre-flashes, or you can adjust lighting or avoid looking directly at the lens. The effect can also indicate eye health issues, such as infections or misaligned eyes.

What are some methods to prevent the red eye effect when taking photos?

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In what situations can the red eye effect be useful for diagnosing eye problems?

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