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RedScreen is a useful utility for night vision. It serves just one purpose: to preserve your dark adapted eyes, so you can work with your Mac in a dark environment. It does this in two ways:

1) It makes your screen red. Red affects your night vision less than other colours.

2) It can darken the screen. It does this by reducing the backlight, and also darkening the colours on screen. It can go Very dark.

RedScreen controls the video hardware directly, so it works with all applications and it restores the system to your original settings as soon as you close the program. It's very simple to use. Press the more...

What's New

Version 2.0.1:
  • Redesigned interface
  • Auto-update added. The application will now check for updates regularly.
  • Many more enhancements.

Requirements

  • Mac OS X 10.4 or later
  • Red filter and darkening should work with any screen
  • Backlight controls require a compatible Apple LCD screen

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RedScreen User Discussion

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Joy-Livingwell Member IconReview+20
Joy-Livingwell
+1

RedScreen shifts your screen color to preserve night vision, and to decrease blue light to help you sleep.

Plusses: easy to use, can dim your screen WAY down, slider lets you adjust the screen color from normal to red only, includes a grayscale setting so you can still see red items on-screen, and you can switch dimming on and off without quitting the program.

Minus: RedScreen decreases screen contrast even when screen dimming is supposedly turned off. The only way to restore full screen contrast is to quit the program. Which is why I have mostly stopped using it, and switched to a combination of f.lux (for color shift) and Shady (for dimming) instead.

Reply1 reply
Version 2.0.1
Philosopherdog
+0

Thanx for mentioning Shady. Checking it out.

Janka102 Member IconReview+0
Janka102
+0

Tested and works on Mountain Lion. Although the settings window looks a little funny on the bottom.

Reply0 replies
Version 2.0.1
gatovadio Member IconComment+0
gatovadio
+0

After using this app I suddenly feel the urge to get an axe and write REDRUM everywhere. Anyone experiencing the same behavior?

Reply0 replies
Version 2.0.1
2shae Member IconComment+27
2shae
+3

What the hell!!

I was using Redscreen for about an hour last night and when I looked away, everything had a greenish tint o_0
Like I was colorblind!
This stayed the rest of the night, however in the morning it was gone.

It freaked me out a little, so I google'd it. Apparently, if you look at the color red too long "something" in your eyes gets depleted, causing you unable to correctly see the red color for a while.

On the plus side, Redscreen did help prevent my eye strain.

Reply1 reply
Version 2.0.1
Virtualruffy
+1

Its the color receptors. They talked about it on brain games TV show. They demonstrated overuse of color and then switching to black and white which then appeared to be in color to your overloaded receptors. They did several more but the gist was overloaded color receptors.

LandiTrance Member IconComment+33
LandiTrance
+2

Hello very nice app.
It does that's says .
Thank you very much .
Keep it nice job .

Reply0 replies
Version 2.0.1
Yoshinatsu Member IconComment+539
Yoshinatsu
+2

Actually, it's red for me. It probably has to do with your display profile. I use Apple RGB, for example, and it's just fine.

Reply1 reply
Version 1.2
Mjk
+0

Good deal. Fixed my color profile (Apple RGB looks funny on my screen for whatever reason, so I have a custom color profile) and now it's red instead of pink. I'd forgotten about that. Thanks.

Mjk Member IconComment+16
Mjk
+0

Overall not bad, though the redness is not quite red enough to be truly effective. It's more like pink. Also, would be good to have an option to automatically switch to white on black (inverted color mode) when activated. Yes, I know I can do that in the System Preferences or by holding option-control-command-8, but why not have it in here to streamline it a bit?

Reply1 reply
Version 1.2
Interealtime (Developer)
+1

I've added support for inverted colours (works nicely with the red filter too!) in the next version. It should be available in the next few days (there's just one more feature to add, and a bit more testing).

Yoshinatsu is right about the colour profile - if it's not right, the screen will look pink (or other colours in extreme cases). Worse, you'll be getting the same 'wrong colours' in all of your applications. It's worth going through the 'calibrate' option under the display prefs.

user icon+0
MrMx
Version 2.0.1
user icon+0
Janka102
Version 2.0.1
user icon+106
hugelshofer
Version 2.0.1
user icon+8
Elsamiro
Version 2.0.1
> 4 6

Ratings

Overall
(6)
Current Version (2.x)
(6)

Details

Downloads 8,753
Version Downloads 7,146
License Free
Date 18 Mar 2010
Platform OS X / PPC 32 / Intel 32
Price Free
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