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Fixing Red Eye

You've seen red eye. It's not a problem in black-and-white photos that you colorize, but it's often a problem in color pictures of people and animals taken with a flash camera.

Basically what happens is that the flash reflects off the blood vessels at the back of the eye and puts an eerie, red glow into the pupils of anyone looking straight at the flash. Some cats, by the way, can also display a similar phenomenon called “green eye,” caused by the flash reflecting off crystals in the back of the eye. You can avoid this if you make sure your portrait subject, human or otherwise, isn't looking directly at the flash. Also, make sure that there's plenty of light in the room so the subject's pupils have contracted as small as possible.


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