Causesedit]. Red-eye effect in dog's blue eye only. Odd-eyed cat displays red-
eye effect on eyeshine only in its blue eye. In flash ...
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
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.
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 ...
Blood vessels in the back of the eye will normally reflect red. The child's pupil
does not have the normal red appearance that a flash photo creates. Instead, the
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 ...
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: ...
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 ...
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 ...