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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 color .... Using the red-eye reduction capabilities built into many modern cameras .

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 ...

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.

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 ... of the eye's biology interacting with the camera's lighting mechanism.

www.ask.com/youtube?q=Camera Red Eye&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: ...

What Causes Red Eye In Photographs? - Science Questions, from ...

www.thenakedscientists.com/HTML/questions/question/2501/

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 ...

Camera Red-Eye - Science Updates - Science NetLinks

sciencenetlinks.com/science-news/science-updates/camera-red-eye/

Taking flash pictures of someone often gives their eyes a scary-looking red glow. You'll find out why in this Science Update.

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 occurs when you use your camera's flash in a poorly-lit environment, like in a dark room, nightclub, or outdoors at night. In the dark, people's pupils ...

Red-Eye Reduction

www.cs.mtu.edu/~shene/DigiCam/User-Guide/995/INTERNAL-FLASH/red-eye-reduction.html

If the angle of reflection is less than 2.5 degree, red eye will occur. ... When red- eye reduction is in effect, do not move the camera immediately after the shutter ...

How to Eliminate Red-eye in Your Photos - Zoner Photo Studio

www.zoner.com/tutorials/red-eyes

The simple way is: don't use your camera's internal flash! But that's not the advice you came for, so let's take a look at how to easily eliminate red-eye in your ...

More Info

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 blood-rich retina . If the eyes are looking directly at the camera lens and the ...

What Causes Red Eyes In Photographs - Today I Found Out

www.todayifoundout.com

Sep 15, 2011 ... Today I found out what makes your eyes red in flash photographs. ... For instance , camera's with red eye reduction settings use a two flash ...

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

www.quora.com

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 ...