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Red-eye effect - Wikipedia

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 ...

What Causes Red Eyes in Photos and How to Fix the Red Eye Effect

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 ...

Photos Can Help Diagnose Children's Eye Problems and Save Sight

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 ...

What Causes Red Eyes In Photographs - Today I Found Out

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

Sep 15, 2011 ... Today I found out what makes your eyes red in flash photographs. Simply put, that crazy zombie look people tend to get, as if they are about to ...

Why do some people have red eyes in pictures and some do not ...

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

A red eye is essentially light reflecting off the blood vessels in your retina - that is a poorly ... I know red eyes in pictures are caused by flash which human eyes reflect back. But why does it not happen to everyone? Is there something people  ...

What causes Red Eye in Photographs? | The Naked Scientists

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

Dec 6, 2009 ... Red eye occurs because when you take a flash photograph - the camera produces a big burst of light to illuminate the subject and that burst of ...

The Red Eye Effect: What It Is, Avoiding It, and Removing It ...

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.

The Science Behind the Red-Eye Effect - PetaPixel

petapixel.com/2016/08/30/science-behind-red-eye-effect/

Aug 30, 2016 ... Many cameras have a anti-red-eye mode that fires off quick flash bursts before the actual flash in order to cause the iris muscles to contract ...

What Causes the Red Eye Effect? | Yale Scientific Magazine

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

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.

Why do people have red eyes in flash photographs? | HowStuffWorks

electronics.howstuffworks.com/question51.htm

We've all see photographs where the people in the picture have spooky red eyes. ... The first flash causes people's pupils to contract, reducing "red eye" ...