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Old 08-17-2015, 04:09 PM   #21
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When I was in my early 20's I remember taking a color vision test (required for a job to read color codes) and I passed. Took this on-line test and it said my color visor was normal.

Now if it were a hearing test that I was taking and I passed, my DW would say it was totally faulty.

LOL... reminds me of my sister.... her DH had said that he only listens to half of what she says.... she came back with 'You are listening to the wrong half"...
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Old 08-17-2015, 04:40 PM   #22
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Another factor I've rarely seen discussed is how we see the colors we see.

Occasionally, DW will point at something and ask me "What color would you call that?"

I'll respond (maybe "purple") and she'll look at me as if I had three heads and say "Really?"

Occasionally, one of her friends will be there and also give me the "Really?" look.
This is not at all uncommon and is one of the reasons it is so imperative to get color management correct in photography and many other industries. The chances that you perceive the exact same shade of green in a tree leaf as another individual are remote, as I understand it.

At this site (aimed at photographers) search on "color management" in the upper right hand corner and you'll get hits on more than enough information: Cambridge in Colour - Photography Tutorials & Learning Community

And of course being able to give a numerical value to any specific color is important in industrial applications and advertising. The specific color of blue in the Ford oval emblem has a number, as does the brown on a UPS truck.

Everyone has seen a wall of TVs in a department store tuned to the same station and all or most showing different colors of the same scene. That's because they are not color calibrated. That's also why on some web sites where color is important they'll tell you that unless your display is color calibrated you will probably see incorrect colors.
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Old 08-17-2015, 07:27 PM   #23
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Back maybe 52+ years ago I moved to Melbourne, Australia, from South Australia - the police in Melbourne at that time administered the driving tests - I 'failed' the color tests, and even though on the road test, I could correctly identify the status of each traffic light, and my driving was (virtually) faultless, I was failed by officers (who I suspected didn't want any 'blowback' should I be involved in a subsequent accident).

A more sophisticated color test, (ordered by the cops), showed that I perceived red darker than 'normal' people would see it.

Final road test - there's me and three cops, (one of whom was a sergeant), going through the "What color are the lights two intersections ahead?" routine. I'm nervous as hell, but doing well - although still suspecting they're going to find an excuse to fail me.

Sergeant says "Pull around that corner and stop at the curb".......turn the corner and the curb has a solid yellow line, so I think it's a 'gotcha'.

"Sorry, can't stop here, solid yellow line" I said, and kept going.

Sergeant says "When I tell you to stop, you $#@!* STOP"........turns out he wanted to buy some cigarettes.

I got my license.
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Old 11-23-2019, 11:05 PM   #24
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I'm late to the party, just saw a news report of some teenager try color blind glasses (probably by EnChroma) and it was funny to see him jump due to seeing color that had never been there before.

Amazing, that these work (for some) and you have to be color blind to make it useful.

They are pretty expensive at $350.

I can't buy a pair, as I won't have an excuse for blowing through red "to you" lights
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Old 11-24-2019, 02:57 AM   #25
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Interesting link. I got the same normal color vision, but try our $300 plus sunglasses anyway. Um, no.
Same here. lol
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Old 11-24-2019, 08:28 PM   #26
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According to this test no, but some of the numbers appeared very faded to me towards the end of the test.
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Old 11-24-2019, 09:31 PM   #27
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DW's color vision deteriorated a lot with cataracts to the point she was asking me what color things were. With new lenses, she's fine again though it took her a bit to get used to bright colors once more.
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Old 11-25-2019, 05:42 AM   #28
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According to this test no, but some of the numbers appeared very faded to me towards the end of the test.
Same here.
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Old 11-25-2019, 06:19 AM   #29
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In college I had a friend who was full-on color blind but could see normal colors when he partook of certain recreational hallucinogenics...
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Old 11-25-2019, 06:33 AM   #30
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In college I had a friend who was full-on color blind but could see normal colors when he partook of certain recreational hallucinogenics...
"Psst....paisley elephants aren't 'normal'."
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Old 11-25-2019, 06:37 AM   #31
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Normal color vision here, but I had a friend who was color blind yet became a successful electronics technician. He trained himself to somehow identify the colored bands on resistors to read their values, which I always thought was most impressive. I think our brains are capable of more than we think.
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Old 11-25-2019, 10:38 AM   #32
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When you take the test, what is the difference between the little number pad and buttons (to the right), and the larger number pad/buttons?

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Old 11-25-2019, 10:58 AM   #33
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DH is colourblind (strong deutan), but he wasn't impressed when he tried on one of those glasses. He noticed that the colours looked brighter and more vibrant, but so what?
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Old 11-25-2019, 12:57 PM   #34
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DH is colourblind (strong deutan), but he wasn't impressed when he tried on one of those glasses. He noticed that the colours looked brighter and more vibrant, but so what?
Maybe that is what "normal" people see ?
The weird part is how to describe to someone else, a color.

Perhaps that is simply related to the grass is greener on the other side.
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Old 11-25-2019, 12:59 PM   #35
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Maybe that is what "normal" people see ?
The weird part is how to describe to someone else, a color.

Perhaps that is simply related to the grass is greener on the other side.
No, DH, who is colourblind, said, "So what?"
He was like if that's what normal people see (just brighter colours), he wasn't impressed.
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Old 11-25-2019, 03:50 PM   #36
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When I got my IOLs implanted (cataract surgery) the first thing that struck me was how bright and vivid all colors looked. So there are multiple factors involved in our vision.
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Old 11-25-2019, 06:07 PM   #37
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No, DH, who is colourblind, said, "So what?"
He was like if that's what normal people see (just brighter colours), he wasn't impressed.
Sounds like he sees some color, which is good.
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Old 11-25-2019, 07:48 PM   #38
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Sounds like he sees some color, which is good.
He is considered a strong deutan (green-red colourbkind), but he used to be a commercial artist, and he says he somehow distinguishes colours by warmness/coolness... He can also see so many more shades of what seems to be the same colour, grey, or many other colours than I ever could, by warmness and coolness...
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