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en.wikipedia.org/wiki/Red-eye_effect

The red-eye effect in photography is the common appearance of red pupils in color photographs of eyes. It occurs when using a ...

www.allaboutvision.com/resources/red-eye-photo.htm

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 caused ...

www.aao.org/eye-health/tips-prevention/diagnosing-children-from-photographs

Jul 28, 2014 ... Photos Can Help Diagnose Children's Eye Problems and Save Sight ... " Overwhelmingly, the most common cause of an abnormal red reflex is ...

www.todayifoundout.com/index.php/2011/09/what-causes-red-eyes-in-photographs

Sep 15, 2011 ... Other factors contributing to the red-eye effect is the amount of melanin ... a two flash system in which the first flash causes the pupil to constrict, ...

www.quora.com/Why-do-some-people-have-red-eyes-in-pictures-and-some-do-not

Nov 23, 2012 ... It has to do with the flash reflecting off of the retina of the eye. When someone looks .... The red eye is caused by the light from the flash reflecting off the tapetum lucidum behind the retina directly back at the camera.

www.photographymad.com/pages/view/the-red-eye-effect-what-it-is-avoiding-it-and-removing-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.

www.thenakedscientists.com/articles/questions/what-causes-red-eye-photographs

Dec 6, 2009 ... I have a question about "redeye" when taking a picture using a camera. I've recently started the task of correctly sorting through all by digital ...

www.yalescientific.org/2011/05/what-causes-the-red-eye-effect

May 12, 2011 ... Your modified appearance is caused by the red-eye effect, which occurs most often with flash photography in dark environments. This pesky ...

electronics.howstuffworks.com/question51.htm

NEXT PAGENEXT. If a flash is bright enough, it can cause reflection off of the retina. ... Citation & Date. Video. BrainStuff: What Causes Red Eye In Photos?

.ask.com/youtube?q=What+Causes+Red+Eye+In+Pictures&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: ...