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Red-eye effect

en.wikipedia.org/wiki/Red-eye_effect

The red-eye effect in photography is the common appearance of red pupils in ... The camera records this reflected light. The main cause of the red color is the ample amount of blood in the choroid w...

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

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

The appearance of red eyes in pictures, known as the "red-eye effect," occurs when a camera captures light reflecting from the retina at the back of your subject's ...

What Causes the Red Eye Effect? | Yale Scientific Magazine

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

May 12, 2011 ... Your modified appearance is caused by the red-eye effect,… ... a result of the eye's biology interacting with the camera's lighting mechanism.

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

Learn what causes it, how to prevent it, and how to fix it. ... The red eye effect is caused by your camera's flash bouncing off the back of the subject's eyes.

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

electronics.howstuffworks.com/question51.htm

The flash on a camera is bright enough, however, to cause a reflection off of the retina -- what you see is the red color from the blood vessels nourishing the eye.

www.ask.com/youtube?q=What Causes Red Eye in a Camera&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: ...

Red eyewhat causes it, and how to reduce it

www.digital-photography-tips.net/red-eye.html

Explanation of what causes red eye, and how to reduce it. ... The "reduce" or "anti " red eye function which is almost certainly on your digital camera.

Cause of red eye - Two Pilots

www.colorpilot.com/redeye_effect.html

cause of red eye | red eye reduction tips | red eye removal software ... picture below simply because their eyes were positioned at different angles to the camera:.

What causes the "red-eye" effect in photos? - VSP EnVision

www.vspenvisionnewsletter.com/2012/12/what-causes-the-red-eye-effect-in-photos/

Red eye” comes into play when our dilated pupils allow too much light (from the camera's flash) into the eyes. This occurs because the pupils can't constrict as ...

What causes Red Eye and how can I reduce it? | Nikon ...

support.nikonusa.com/app/answers/detail/a_id/275/~/what-causes-red-eye-and-how-can-i-reduce-it?

Sep 20, 2002 ... Red eye in photographs occur when the flash causes a reflection off of the ... Most Coolpix cameras offer an In-Camera Red-Eye Fix reduction ...

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

www.aao.org

Jul 28, 2014 ... A red reflex is produced when the flash of a camera lights up the ... that even the most serious eye conditions don't typically cause children pain ...

What Causes Red Eyes In Photographs - Today I Found Out

www.todayifoundout.com

Sep 15, 2011 ... For instance, camera's with red eye reduction settings use a two flash system in which the first flash causes the pupil to constrict, and the ...

Camera Red-Eye - Science Updates - Science NetLinks

sciencenetlinks.com

He says red-eye occurs when your camera's flash reflects off the back of the eye ... The purpose of this flash is to cause the subject's pupil to constrict (just as it ...