why do our retina appears red in the photographs
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Explanation:
The red eye is caused by the light from the flash reflecting off the tapetum lucidum behind the retina directly back at the camera. ... The reason some people's eyes aren't showing red in a photo is just that they weren't looking directly at the lens of the camera.
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⊕ANSWER⊕
- Although it could signal a serious eye condition such as cataract or retinal detachment, the most common reason for the “red-eye effect” is much more benign.
- The appearance of red eyes in photos occurs when the camera flash (or some other bright light source) is reflected from the retina.
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