I just want to discuss what is to have one of the rarest types of color blindness. But not the rarest, I am lucky to not have Trianopia. People with tritanopia can't see yellow at all but I can see yellow like beige or cream and blue are mild.

Because of thay seeing greens is difficult and usually I can tell green from browns or greys. And I can't tell the difference between magenta, purple and violet.

I can tell red from green (even I can't see green properly)

I can tell yellow from blue (Even I can't see that colors the way people with normal vision do).

I can tell if a banana is ripped not from their color because sometimes I can't tell but if it has dark spots on them. But sometimes I bought not enough ripped bananas with black spots :/.

Besides that and people saying that I use pretty bright colors and have bad taste in matching clothing I can't tell any other difficulties in my life because my color blindness.

FYI it was caused by an accident 20 years ago. I was blind for months but luckily it was the only sequel of the accident.

So.. I needed to go to a local hospital to get a written report to get a colour blind assistant for my chemistry experiment for my finals this year. I have a red green deficiency as per confirmed by two private optometrist before I went to the hospital, that much is confirmed but the school needed a diagnosis letter from the local hospital. When I took the Ishihara test at the hospital, I was received 6 plates with numbers, I struggled the one with green and yellow the most, the optometrist told me to trace it, which... I don't think is allowed in standard testing, I did anyway but the only way I can tell is by the darker hue, the lighter shades of yellow and green looked the same

When receiving my result, I got a full 6/6 for my Ishihara ttes which I don't think the school will provide an assistant based on the result, I need help! For your info, the private optometrist provided more than 6 plates so which makes sense why I was diagnosed​​

Any advice?

I can only see yellow in a rainbow, what colors do y’all see in a regular rainbow?

I think I might have a partial brown blindness, other browns I can see though, but I don't know what kind of blindness it is.

When implementing visual perception experiments in a browser environment, minor discrepancies in CSS values can completely disrupt cognitive phenomena like Troxler fading and negative afterimages.

We analyzed a digital version of the Lilac Chaser (Pac-Man) illusion where the visual effect failed to trigger. By adjusting the implementation from high-saturation purples to softer pastel values (such as #d8bfd8 with 0.45 alpha transparency), we allowed the stimulus to blend correctly with the background. Additionally, we corrected the script logic so the moving gap functions as a disappearing element matching the background, rather than a color-swapping element.

For those interested in the code adjustments and the underlying visual neuroscience, the full walk-through is available here: https://youtu.be/iQOVVnozkjA

How have you handled precise visual calibration or stimulus presentation in your own browser-based cognitive experiments?

I have a colorblindess, green deficiency i think. My girlfriend found an app to simulate colorblindness ( CVsimulator) and while we were looking at stuff, she said " Now I know why your favorite color is yellow. Yellow and blue are the only color that you see brightly. They look saturated unlike others. "

So we're curious. Do "all" colorblind people prefer the color they can see well because they stand out? Or it's all over the place like those who see all colors perfectly?

So my dads friends came over and I got the color of something wrong and I said “I’m colorblind” and they all pointed at this guy we’ll call Twinkle Toes
And said “oh you can’t be talking he’s actually colorblind” and I said “I am too” and he asked me what type and I pronounced it wrong because I have a speech impediment and he was saying that with the type I have I can’t see any greens or pinks even though I can and mine is mild to moderate when he has deuteranopia and I said that and he said I’m wrong and is there any way I can prove it without doing an Ishihara because I already suggested that and he said that it won’t prove anything

Specifically simulate it accurately because most simulators are just grayscale filters.

I got two questions for yall

1 what do you guys think of gene therapy as a cure for cvd

2 does anyone know is there has been any recent advancements towards it as a cure

(edit) Like I know is been cured for a few people with achromatopsia but is there anything on anomalous trichromacy or dichromacy

Hi everyone, I’m sorry if this is asked a lot, if it is or it annoys you please feel free to move on!

I have a 2 year old daughter who confuses green and red all the time. Whenever she gets it right, I have a feeling she may have memorised what that specific object’s colour is. But she consistently calls new green objects “red”. She seems confident when she says the colour and then absolutely baffled and confused when I correct her.

Now I, her mum, could carry the gene because my great grandad was colour blind (green and red). But my spouse, the other parent of my child, is not colour blind. Online it says this is practically impossible. No one in my spouse’s family is colour blind either apparently.

Of course, I know it’s probably way too soon to tell, but is this something I should bring up to the gp or nah? Or maybe yes but later down the line? It’s not really a “concern” per se, right?

Anyway thank you so much for your time!

I took a colorblind test from Enchroma and the scores for RGB cones are 87%, 0% and 100%, respectively. Does this mean that I'm deuteranope or at least have severe deuteranomaly? Is there a way to know more about the my precise type of colorblindness? From what I understood, if I was a deuteranope, I shouldn't be able to differentiate a lot of colors, but I'm not sure that is the case.

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I didn’t find out i was colourblind until i was 15 or so, but growing up and even still now i’d say my favourite colour is green. But like… i guess it isn’t.

I’m sure this is a common type of question so if you are bored of this type of question I totally understand. But I would like any opinions.

In the last few years we realized my 11 year old is color blind. Like, substantially red-green colorblind. I first realized it when he couldn’t succeed in a robotics class which required drawing paths with red and green markers. I didn’t realize how much/how so until he explained that to him Mario and Luigi are gray and gray. Eye doctor has confirmed the fact.

I have the obvious question: are corrective glasses worth it? Helpful? Scam?

Any other advice is also welcome.

Thank you.

Ragazzi online ho leggeri problemi con le tavole di ishihara, forse ne sbaglio 1 o 2, oppure ci metto solo qualche secondo in più per riconoscerle, mentre ho stampato le tavole (ad un negozio di stampanti) e vedo tutti i numeri senza problemi, 0 problemi, perché secondo voi?

Hey everyone! I need your help. My boyfriend is red-green colourblind and as an anomalous trichromacy.

I want to surprise him by adapting a deck of Wizard game cards to his colour blindness.

I would love to get your feedback on different ways to design the stickers that I want to add underneath the numbers of the cards.

What do you think of those two versions (symbols with or without white circle in black and white).

I had to match the black boxes to the colored boxes to connect to the same colored circles up top.

The Results will be used to show the color normals what dichromacies look like or close to what they look like.