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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 ...

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 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 ...

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" ...

What is a red eye picture? - Joey Bergsma Retinoblastoma Awareness

www.lovejoey.com/redeye.htm

Notice in this picture that the left eye is reflecting a red dot and the right is reflecting ... We have always been led to believe that red eye photos are bad pictures.

Cause of red eye - Two Pilots

www.colorpilot.com/redeye_effect.html

cause of red eye | red eye reduction tips | red eye removal software. Cause of red eye. If you use a flash in a dark environment, you often get a red eye effect.

www.ask.com/youtube?q=What Causes Red Eye In Photographs&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: ...