Red eye occurs when your camera's flash reflects off your subjects'
retinas. The low light that necessitates the flash also makes Kelsey's
and Tommy's pupils open wider — which aggravates the problem.
Fortunately, your image-editing software can bring back their baby
blues (or greens or browns) in a flash. It's usually as simple as using
the now-common automatic red-eye remover. Although the process varies
from program to program, the aim is the same: Replace the red pixels
with black for the pupil, and restore color to the iris.
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