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by Wendi Elizabeth Martha Scarth

 

Remove Red Eye
Adobe Photoshop

 

 Remove Red Eye - Utilising The Colour Replacement Tool,
Brush Tool Or Red Eye Tool
 
Suitable for Adobe Photoshop CS, CS2, CS3, CS4, CS5, CS6 & CC
Skill Level - Intermediate Plus

Red Eye Removal Tool
Colour Replacement and Burn Tools
Red Eye Removal Tool
Sacha with her snow boots and beard
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This tutorial demonstrates how to remove red eye using the Red Eye Tool, The Colour Replacement Tool - or the Brush Tool. To work along exactly, you are welcome to download the Start Image Here.  Unzip the file and open the image onto Photoshop’s workspace.

Understand The Workspace And Palettes

Removing Human/Animal Red Eye using the Red Eye Tool

Removing Human/Animal Red Eye with the Colour Replacement, Brush Tool and Burn Tools

Removing Yellow/Green/Blue Eye from Animals with the Sponge and Burn Tools

General Flash Eye Notes
Redeye (green, yellow or blue eye for animals) occurs when a photograph is taken with a flash. Light from the camera’s flash is reflected onto the retina at the back of the eye, and in humans, (and sometimes dogs) results in red eye, caused by the blood vessels.
Animals; including, dogs and cats, have special reflective layers (tapetum lucidum), over their retinas - similar to mirrors, and this aids their nocturnal vision. This results in the strange
green/yellow/blue eyes often displayed in photographs of indoor pets, (taken with flash). As they age, their eyes become cloudy - exacerbating the spooky appearance caused by flash.

Undo and Navigation Steps
Two ways of undoing steps are from the top menu, Edit then Step Backwards. Alternatively, click a previous snapshot in the History Palette.

Navigate (zoom in and pan) your image using the Navigator Palette,

or the Zoom Tool.

Activate The Hand Tool by tapping the Spacebar, keeping the Spacebar pressed, pan your image in the usual way.

1/ The Red Eye Tool -

Colour Replacement and Brush Tool Here

Open your Start Image onto Photoshop’s workspace.

Tip
Expand your photograph’s (grey) workspace by left-clicking and dragging out one of its corners.

 Tip: Snap Your Image To The Top Menu’s Horizontal Bar
Another way of centralising an image is to snap it to the top (horizontal) menu-bar by dragging your image towards it: as soon as you see a blue horizontal bar, your image should automatically snap to it.





2/
Then from the Tools Toolbar, activate the Red Eye Tool - (this tool was new to CS2).
 


And set the following attributes into its Options Bar.



Red Eye Tool Notes
Pupil Size
is dependent on the size of your photograph. Additionally, because the Red Eye Tool is looking to eliminate hues of red, the Darken Amount setting is dependent on the lightness of the red eye, and will be different for each photograph. 

3/
Zoom into your image, (top menu View then Zoom in), or activate the Zoom Tool .

Then hover your cursor over the left-side eye and left-click, then drag out a Rectangular box over the pupil area - as demonstrated below.

                                 

Then release the mouse button. You will notice that much of the red has been replaced by black.

       


Now, reapply the Red Eye Tool until the red has been completely replaced with black.



4/
Repeat Chapters 2 and 3: this time, working with the right-side eye - remembering to adjust the Pupil Size and Darken Amount settings if necessary.
 


Note
Bear in mind, the density of red eye, (and indeed the pupils’ size), may not be equal, therefore, settings may need to be altered for each eye.

5/
When you are happy with the result,
your work is ready to save.

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Removing Red Eye Using The Colour Replacement/Brush Tools
1/ Open your Start Image onto Photoshop’s workspace.

Tip
Expand your photograph’s (grey) workspace by left-clicking and dragging out one of its corners.

Tip: Snap Your Image To The Top Menu’s Horizontal Bar
Another way of centralising an image is to snap it to the top (horizontal) menu-bar by dragging your image towards it: as soon as you see a blue horizontal bar, your image should automatically snap to it.





Note
If you prefer, isolate the red pupils with a Selection Marquee - using the Polygonal Lasso Tool, exactly as described in Chapter 2 of my Removing Yellow, Blue and Green Eye tutorial
Here. After surrounding both pupils with a Selection Marquee, return to this Red Eye Removal tutorial: and continue with Chapter 2. However, given that human pupils are rounder than cat’s - and therefore easier to alter using round brushes; a selection marquee is not always necessary. 

2/
Set the default Foreground and Background Black and White colour swatches by tapping your keyboard’s D key. (Pressing the X key swaps their colour).



3/
Now, from the left-side Tools Toolbar, activate the Colour Replacement Tool.


 
And set the following attributes into its Options Bar - ensuring Tolerance it set to 100%.
 


Tip
You can quickly resize the Colour Replacement Tool by tapping your Keyboard’s Square Bracket Keys (with caps OFF).



Alternatively, activate the Brush Tool

And set the following (Mode = Colour - Opacity & Flow = 100%) attributes into the Brush Tool’s Options Bar.



Note
The Colour Replacement and Brush Tools are applied in exactly the same way - and both rely on the colour swatches being set to the Default Black and White.

4/
Now, zoom into your image, (top menu View then Zoom in), or activate the Zoom Tool.
 


Then hover your cursor over the left-side eye, and make sure the Brush Size is large enough to encompass just the red pupil. 

(Take care not to transcend onto the coloured iris - as illustrated below).



Then left-click (and hold), and drag your cursor over the red area - in a circular motion until all of the red has been been converted to greyscale.  (Alternatively, repeatedly
left-click to remove the colour).



After you have removed the red colour from the left-side eye - do exactly the same to the right-side pupil - as illustrated below.



Colour Replacement And Brush Tool Notes
Both the Colour Replacement Tool and Brush Tool are removing colour from your photograph - otherwise know as desaturating - and for this purpose, they work in exactly the same way, when using the settings I have mentioned. With this in mind, be very precise with your Colour Replacement/Brush Tool application; if you transcend outside the pupil area, you will remove the colour, as demonstrated below.



If you do remove colour in error, click a previous snap shot in the History Palette, or Step Backwards - readjust your Brush Size, and reapply your chosen tool.

5/
To darken the greyscale pupil; from the Tools Toolbar, activate the Burn Tool.
 


And set the following attributes into its Options Bar - experimenting with the settings for personal results.



Tip
You can quickly resize the Burn Tool by tapping your Keyboard’s Square Bracket Keys (with caps OFF).



Now, hover your cursor over the left-side pupil.



And left-click - or left-click and drag the cursor over the (grey) pupil area.



This darkens the pupil, as illustrated above. Note: Each left-click darkens the Burn application, progressively - therefore, repeatedly left-click (or drag the cursor), until you are happy with the amount of darkness.

6/
Now, repeat the previous Chapter - Chapter 5: this time, darkening (or burning), the
right-side eye. When you have completed this, both eyes will be complete - as illustrated below.

Note
Bear in mind, the density of red eye, (and indeed the pupils’ size), are not always equal - therefore, settings may need to be adjusted.
 




Tip
If necessary, soften the edges between pupil and iris using the Blur Tool - setting a  Strength of around 15%.



7/
When you are happy with your work,
it is ready to optimise and save.


Wendi E M Scarth.
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