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Registered: 05-2005
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colorblind simulation for those who wonder what they see


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Top is normal, next is Deuteranope, then is Protanope and bottom is Tritanope.

My brother is probably a protanope due to the abnormal dimming of red. Red traffic lights are pratically invisable. If he sees cars stopped at a traffic intersection and he sees no lights, he assums its red light. Yellows appear nearly normal, perhaps slightly less vivid. Greens appear gray-white to him.

http://www.iamcal.com/toys/colors/

see what colors colorblinds see.


http://www.madore.org/~david/misc/color/

pictures of what various colorblind see

9/29/2005, 1:36 am Link to this post Send Email to Myope5   Send PM to Myope5
 
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Re: colorblind simulation for those who wonder what they see


Image

normal trichromat


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protan simulator. Quality of image isnt very good and is dithered. I also dont think this is a very good example as all there is blues and yellows!



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color wheel for trichromat



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color wheel for protan, red blind dichromat. They see the world in browns, blues and yellows.






colorblind test and what a colorblind sees on the test. Partial or mild colorblindness can sometimes still barely see the number in some of the tests.



http://colorvisiontesting.com/what%20colorblind%20people%20see.htm



Last edited by Myope5, 7/14/2006, 4:07 am
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Re: colorblind simulation for those who wonder what they see


When me and my bro were watching fireworks, there was special rainbow coated plastic glasses to make the fireworks and all light show lots of little rainbows. It was so pretty and I kept telling my brother to put the glasses on but he shrugged and said it looks weird. I told him thats because of your colorblindness. How many colors do you see? Bro replied "three" I said theres six very different colors with many intermediate shades between. What I see as a pretty colorful rainbow, he sees dark browns then yellows then blues(see colorwheel for example) that must suck, all the colors you are missing. He shrugged and said colors are of little importance. I agreed with him if I were unlucky and born colorblind(protan is his type) then our worlds would be devoid of most colors and predominated with browns, blues and yellows(other than black and white which arent considered colors) then I wouldnt care much about colors since I wouldnt see alot of colors and wont know what I was missing. My brain would get used to only seeing a few colors and think of other more important things. My hearing is poor and im missing alot of sounds so I dont consider music important. I think about sights, colors and smells much more since this is what I am strong at. It sucks for him to be colorblind just as it sucks for me to have poor hearing.


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Found those examples from google images. The glasses are simple. Notice the rainbows around lights.
7/15/2006, 7:50 am Link to this post Send Email to Myope5   Send PM to Myope5
 
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Re: colorblind simulation for those who wonder what they see


http://www.cs.unm.edu/~aaron/creative/colorTest.htm


Image


normal color vision. Took me a minute to realize there was a hidden 6. I could see what looked like an o in the lower corner.

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using the colorblind filter simulator(protan) I still dont easily see the 6.


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Using Gimp to remove all the red, the 6 is easily visable. Is this how protans see? The colorblind simulator disagrees. I would need to show my brother this and "see" what he "sees"

Last edited by Myope5, 7/17/2006, 3:20 am
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Re: colorblind simulation for those who wonder what they see


http://colblindor.whitesands.ch/2006/03/07/the-biology-behind/


The odds of colorblindness based on genes. Since my bro is a protan, my mother must be a carrier. Both my mom and dad, as well as me and sister have normal vision. Theres a 50% chance my sister is a carrier. I had a 50% chance of being colorblind(possibly protan)If my sister marries a colorblind man


As for the percent that are colorblind, I have researched this.


http://72.14.209.104/search?q=cache:m_fQ8CQWXDAJ:colblindor.whitesands.ch/+my+colorblind+story&hl=en&gl=us&ct=clnk&cd=8



Deuteranomaly.....5-7% of males
Deuteranopia.....about 1% of males
Protanomaly.....2-3% of males
Protanopia.....1-1.5% of males
Tritanomaly.....1 in a million(?) of humans
Tritanopia.....1 in 30-50k of humans
Rod Monochromacy.....1 in 33k of humans
Blue Cone Monochromacy.....about 1 in a million males

Its about 20x rarer for females to be affected with red/green colorblindness because both X chromosomes must be defective.


Great read on achromatopsia, monochromat


http://www.achromat.org/uc.pdf

Last edited by Myope5, 7/17/2006, 6:13 pm
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Miranda May Profile
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Re: colorblind simulation for those who wonder what they see


Thank you for sharing this. I've never known much about colorblindness except for Ishihara. Thanks for sharing!
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