Leren: rode ogen verwijderen - digifoto Starter
Dit type bestand is handig voor de nabewerking omdat je door de grootte veel details kunt bewerken. Je kan in Photoshop rode ogen gemakkelijk ...
rode ogen
Als je de flitser gebruikt, is er een grote kans dat je model <anchor>rode ogen</anchor> krijgt. Dit komt doordat het oog een grote hoeveelheid licht in een keer binnen krijgt. Het oog werkt in principe hetzelfde als een camera, de pupil heeft dezelfde functie as een diafragma en bepaalt hoeveel licht binnen komt. Het netvlies vangt licht op en is vergelijkbaar met een sensor.  Wanneer een flitser afgaat, kunnen ogen moeilijk het binnenkomend licht beperken, op het netvlies wordt een grote hoeveelheid licht weerkaatst, wat je terugziet op de foto.  De rode kleur komt door het vaatvlies van het oog, dit voedt het netvlies en is rood gekleurd.
How to Fix the Red Eye Effect In Photos
How to Fix the Red Eye Effect In Photos

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# How to fix the red eye effect in photos

By [Aimee Rodrigues](/masthead-aimee-surtenich.htm ""); reviewed by [Gary Heiting, OD](/masthead-gary-heiting.htm "")

![red eyes in the photo](https://images.ctfassets.net/u4vv676b8z52/2V3S619h1ZdLeS06QxyH5s/8e41b70a7d55c8ef649d9b45edcc7206/Hero_Article_EnUK_Red-Eye-Photo.jpg?fm=jpg&q=80)

Red eyes in photos? Here are answers to frequently asked questions
about this phenomenon to help you fix red eye problems and create
frame-worthy photographs of your friends, family and pets!

## Why Do Eyes Look Red In Photos?

The appearance of red eyes in pictures, known as the "red-eye effect," occurs when a camera captures light reflecting from the [retina](retina.htm "retina") at the back of your subject's [eye](anatomy.htm "eye") when a flash is used at night and in dim lighting.

Light rays travel through the [cornea](cornea.htm "cornea") and [pupil](pupil.htm "pupil") of the eye to focus on the retina, a layer of light-detecting cells at the back of the eye. From here, the retina converts the light rays into electronic pulses that travel along the optic nerve to the brain to create visual images.

In fact, the eye works very similar to the way a camera does. Light enters the clear covering of the eye, like the glass of a camera lens, and the pupil controls the amount of light that travels through the eye, like a camera aperture. The retina captures the incoming light and sends a record of it to the brain, like camera film.

When a camera flash goes off, the pupils of your subject's eyes don't have time to constrict to reduce the amount of light entering their eyes. Therefore, a large burst of light reaches their retinas, reflects back, and is captured on film.

Eyes look red in photos due to the rich [blood supply of the choroid](/eye-care/eye-anatomy/choroid/ "blood supply of the choroid"), a layer of connective tissue at the back of the eye that nourishes the retina and gives it its normal red color.

![](https://images.ctfassets.net/u4vv676b8z52/2HT13OTOrP8RsCWvwhGuoQ/ee6e7e3f1d6c634a4cdc5c1d7cad2dde/camera-external-flash-330x220_1.25x.jpg?fm=jpg&q=80)

The greater the distance between the lens and the flash, the less red your eyes will appear in photos.

## Does Turning Off The Flash Reduce Red Eyes?

Yes, if there is enough light in the room to take a picture without using the flash, you'll avoid red eyes in photos.

## How Can You Prevent Red Eyes In Photos?

1. **Don't look directly at the camera.**


    Tell your subjects to look slightly away from the lens, so their eyes
won't catch the flash at a direct angle. This will reduce the likelihood
    of red eyes in pictures.

2. **Make the room brighter.**

    The darker the environment, the more dilated the subject's pupils become, which
increases the likelihood of red-eye effects in photos. Making the room
less dim by turning on more lights can help eliminate red eyes.

3. **Turn on the anti-red-eye function.**


    Most modern cameras have this feature. Red-eye reduction functions emit
    short flashes of light in quick succession before the camera actually
takes the picture.



The burst of light beforehand makes the subject's pupils constrict, and
there's not enough time between flashes for them to re-dilate, thereby
reducing the red-eye effect in photos.

4. **Move the flash and the lens further apart.**


    This method doesn't work for internal-flash cameras, but if you have an
    SLR (single lens reflex) camera, use an external flash that connects to
    your camera. Moving the flash further away from the camera body will
prevent light reflecting from your subject's pupils from entering the
lens (it will reflect back toward the flash, not the lens), preventing
the red eye problem.

5. **Make sure your subjects aren't drunk!**


    We all know that people who have had one (or three) too many alcoholic
drinks have slower reaction times. But did you know it also affects the
response time of our eyes? Red eye happens more often when you're
intoxicated, because your pupils don't close fast enough and let in too
much light.


## How Can You Fix Red Eyes In Pictures?

There are a few ways to fix photos of red eyes:

**Digital photos.**
If you are using a digital camera, you can upload the photos to your
computer and then edit out the offending red eyes with the "red eye
removal tool" in a picture-editing program. Some applications have a
"drag and drop" feature where you can pick up a color from the [iris of the eye](uvea-iris-choroid.htm "iris of the eye") and place it over the parts of the eyes appearing red; other programs automatically correct the offending red eye for you.

**Smartphone photos.**
Apps are available for Android, iOS (iPhone and iPad) and Windows
phones that allow you to fix red eyes in photos. Basically, if a face is
detected in a photo and there's red eye, you can use an auto-enhance
tool to remove the redness and make the subject's eyes appear more
natural. Also, most image-editing apps have a tool that allows you to
manually fix red eye problems in smartphone photos.

**Printed photos.**
If you've developed your camera film and notice red eyes in pictures,
you can still get rid of the dreaded "devil eyes." The easiest way is to
use a special red-eye remover pen. You also can scan the photo to your
computer and use a photo-editing program to fix red eyes.

## Why Do Only Some People Get Red Eye In Group Pictures?

This depends on numerous factors. The most likely reason is that the people
without the red-eye effect were not looking directly at the camera or
they were not in direct line with the camera's built-in flash.

## What Does It Mean If You Have Only One Red Eye In A Photo?

[![](https://images.ctfassets.net/u4vv676b8z52/6CKvg4cGMKCL1jEXDXlCl8/008ee75fdd404d24e1cfa1e7b5d34b95/promo-checklist-2022-330x256.gif)](//cdn.allaboutvision.com/images/eye-health-checklist.pdf "Infographics: 8 Tips for Healthy Eyes This YearChecklist: ’Tis the Season for Eye Health")

[Infographics: 8 Tips for Healthy Eyes This YearChecklist: ’Tis the Season for Eye Health](//cdn.allaboutvision.com/images/eye-health-checklist.pdf "Infographics: 8 Tips for Healthy Eyes This YearChecklist: ’Tis the Season for Eye Health")

[**Infographics**:](//cdn.allaboutvision.com/images/eye-health-checklist.pdf "Infographics: 8 Tips for Healthy Eyes This YearChecklist: ’Tis the Season for Eye Health") [8 Tips for Healthy Eyes This Year](checklist-infographic.htm "8 Tips for Healthy Eyes This Year")

**Checklist:** [’Tis the Season for Eye Health](//cdn.allaboutvision.com/images/eye-health-checklist.pdf "’Tis the Season for Eye Health")

Having only one red eye in a photo is most likely due to the fact that one of
your subject's eyes (the one appearing red in the picture) was staring
directly at the camera lens, while the other eye was positioned at a
slightly different angle that didn't allow light reflecting from the
retina to enter the camera lens.

Rarely, red eye in only one eye may indicate an eye disease such as a tumor or [cataract](/conditions/cataracts.htm "cataract"). If you consistently have only one eye that is red in photos, visit your eye doctor for a comprehensive [eye exam](/eye-exam/ "eye exam").

If your child has only one red eye in pictures, read the [FAQ on children and red eyes](#kids "FAQ on children and red eyes") below.

## I Have Red Eye In Every Photo! Is There Something Wrong With Me?

Chances are, the reason you have red eye in every photo is that you stare
directly into the camera lens when you pose for pictures, enabling the
light to reflect off the highly vascular retina straight back at the
camera at a direct angle. Try to avert your gaze slightly during photos
so you aren't looking directly at the lens of the camera.

Additionally, stare at something bright right before being photographed, to constrict
your pupils; the more open your pupils, the stronger the red-eye effect
will be in photos.

Some people naturally have larger pupils than others — regardless of what particular light they are in. If you have larger pupils, you're more likely to have red eyes in pictures.

Another possible reason for having red eyes in every photo is that you have a smaller amount of melanin in your eye. People with light-colored eyes such as blue or [green eyes](/conditions/eye-color-green.htm "green eyes") tend to have less melanin and may get red eyes in photos more often.

For more information, read the [FAQ on red eyes and eye color](#eyecolor "FAQ on red eyes and eye color") below.

## My Child Has Red Eyes In Photos. Is This Normal?

It's
normal for children to have red eyes in pictures. In fact, it's a good
sign that your child's retina is unobstructed and their eyes are
healthy. What's more, a child will be more likely than an adult to
display red eyes in photos, because children's eyes naturally dilate
faster in low-light environments.

![](https://images.ctfassets.net/u4vv676b8z52/2BA1H8NiTWYs7FpEQ1pUq/a58fa6dda6e3a91649bc856dddd3803e/red-eye-glow-cancer-210x145.jpg?fm=jpg&q=80)

A family photo helped reveal this little boy's eye disease. (Picture: Megan Webber)

There are, however, certain things to be mindful of when it comes to kids and the red-eye effect.
For example, if only one of your child's eyes is red in photos, it's possible he or she has misaligned eyes, or [strabismus](/conditions/strabismus.htm "strabismus").

A white or yellowish glow, called [leukocoria](/conditions/pupil/leukocoria/ "leukocoria"), in one eye could signal a serious eye condition or disease, including cataract, [Coats' disease](/conditions/retina/coats-disease/ "Coats' disease"), [eye infection](/conditions/eye-infections.htm "eye infection") and [retinal detachment](/conditions/retinadetach.htm "retinal detachment").

A white or yellow reflex (eye shine) also could be a warning sign of a rare but serious childhood cancer called [retinoblastoma](/conditions/retinoblastoma/ "retinoblastoma").

If you notice anything unusual about your child's eyes in photos, always notify your eye doctor to rule out a serious children's vision problem.

## Are Red Eyes In Pictures Caused By Eye Color?

No. The iris — colored portion of your eye — has little effect on how likely you are to have red eyes in photos.

It is actually the amount of melanin, located in the retinal pigment epithelium and the choroid of your eye, that controls how much of the light is reflected back out, and not the iris.

Melanin absorbs light, so the more melanin you have, the less red light you will reflect back at the camera. Fair-skinned and [blue-eyed people](/conditions/eye-color-blue.htm "blue-eyed people") tend to have less melanin and typically have red eyes in photos more often than those with dark skin and [brown eyes](/conditions/eye-color-brown.htm "brown eyes").

## Why Do My Dog's Eyes Shine Different Colors In Photos?

Eyeshine, or the white, yellow or green glow reflected in many animal eyes,
including dogs, cats, deer, horses and raccoons, is caused by the
tapetum lucidum, a special reflective layer in the retina of many
animals' eyes. When light shines into the tapetum lucidum, it causes the
pupil to "glow" in a wide variety of colors.

![](https://images.ctfassets.net/u4vv676b8z52/54nE7kdkGx2onKIXgvDN3I/510a8df5fe530b4d3a9b464a325511bf/paco-green-eyes-210x208.jpg?fm=jpg&q=80)

Your pet's eyes can shine numerous colors due to the reflective layer in the back of their eye. (Image: Paco Francisco)

The tapetum lucidum acts like a mirror at the back of the eye and helps to improve night
vision. When your dog or cat's eyes glow green or yellow in photos,
you're seeing the reflection of the camera flash from their tapetum
lucidum.

The human eye does not have this additional layer; nor do
some animals, particularly animals that are primarily active during the
day and sleep at night.

The color of your pet's eyes in photos
can change from iridescent white or yellow to green, blue, pink or red,
depending on the angle of the camera.

Eyeshine is normal in
animals, but if you notice a pale white or yellow glow in a human's eyes
in photos, it may be a sign of eye disease and should be looked at by
an eye doctor immediately.

## Why Do You See Spots After A Camera Flash?

We've all experienced it: being dazzled and seeing spots after a bright light or camera flash has gone off in front of our eyes.

The reason we see spots or have [blurry vision](/conditions/blurry-vision.htm "blurry vision") after a sudden burst of light is because the excess light entering the eye has overstimulated the light-sensitive cells at the back of our eye. The retina has no time to properly convert the light rays and the brain is unable to process a clear image — and our vision is momentarily disrupted.

Camera flashes and other occasional bursts of bright light are unlikely to cause any damage to your eyes in the long term, but overexposure to sunlight can. That's why it's important to always wear [sunglasses](/sunglasses/ "sunglasses") when outdoors.

If you see black [spots and floaters](/conditions/spotsfloats.htm "spots and floaters") when you're not exposed to a flash or sudden change in light, see your eye doctor. It could signal a serious eye problem.

Page published on Wednesday, February 27, 2019

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### More Articles

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[illustration of retinoblastoma](/conditions/retinoblastoma/ "illustration of retinoblastoma")

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#### [Pupil: Aperture Of The Eye](pupil.htm)

[Anatomical drawing of the pupil of the eye.](pupil.htm "Anatomical drawing of the pupil of the eye.")

#### [Cornea of the eye](cornea.htm)

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#### [Eye anatomy: A closer look at the parts of the eye](anatomy.htm)

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[illustration of a healthy optic nerve vs a damaged optic nerve](/eye-care/eye-anatomy/optic-nerve/ "illustration of a healthy optic nerve vs a damaged optic nerve")

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