The red-eye effect in photography is the common appearance of red pupils in
color photographs of eyes. It occurs when using a ...
On this page: How can you prevent red eyes in photos? • How can you fix red
eyes in pictures? • Is it normal for children to have red eye? • Are red eyes
The first flash causes people's pupils to contract, reducing "red eye" significantly.
... Another way to reduce or eliminate "red eye" in pictures is to move the flash ...
www.ask.com/youtube?q=What Causes Red Eye In Photos&v=KBk0LBMjmbI
Dec 30, 2014 ... How can a camera's flash make your eyes glow red? Tune in to learn how it
works -- and how to prevent it. Learn more at HowStuffWorks.com: ...
Dec 6, 2009 ... Answer to the science question: What causes Red Eye in Photographs? ... I
myself NEVER have red eyes on photos, but my wife often does.
May 12, 2011 ... The red-eye effect appears when flash photography is used at night because the
eye is unprepared for the sudden influx of light. Photo ...
Sep 15, 2011 ... Other factors contributing to the red-eye effect is the amount of melanin in the
layers behind the retina, and the age of the person being ...
What is a red eye picture? Notice in this picture that the left eye is reflecting a red
dot and the right is reflecting a white dot. The left eye is how both eyes should ...
Taking flash pictures of someone often gives their eyes a scary-looking red glow.
... The purpose of this flash is to cause the subject's pupil to constrict (just as it ...
Red eye is a distracting effect that can ruin an otherwise good photo. Learn what
causes it, how to prevent it, and how to fix it.