Question: Is there such a thing as Complete Color-Blindness??

BlueJazz

(1000+ posts) Send PM | Profile | Ignore

Fri Mar-03-06 08:13 PM
Original message

Question: Is there such a thing as Complete Color-Blindness??

Yes..I know about the Green-Red and a few of the other types but is
it possible for a Human to see everything in just Black and White.
Just wondering..

(Yeah..I was watching "John Doe" on the Sci-Fi Channel)

Printer Friendly | Permalink | | Top

Pithlet

(1000+ posts) Send PM | Profile | Ignore

Fri Mar-03-06 08:35 PM
Response to Original message

1. Yes, but I think it's pretty rare.

From what I've read about it. I did some reading up on it after meeting my husband, who is colorblind. It's fascinating to think some people see thins so differently. I'd love to know what the world looks like to people who are colorblind.

Printer Friendly | Permalink | | Top

Lisa

(1000+ posts) Send PM | Profile | Ignore

Fri Mar-03-06 08:43 PM
Response to Original message

2. I believe the condition called "achromatopsia" fits that description

Edited on Fri Mar-03-06 08:52 PM by Lisa

People see the world in grays. This Norwegian scientist has it.

http://www.rosetta.co.uk/colour.htm

p.s. Oliver Sacks wrote a book called "The Island of the Colourblind", which discusses it, among other things. It's pretty rare, but there are some locations where, due to chance and inbreeding, it's a bit more common. Pingelap, the island he visits, is in the Pacific -- he later went there and interviewed some of the residents for a science documentary. (For the show, they also manipulated some of the footage to show what the world might look like to someone who sees it that way.)

http://www.oliversacks.com/island.htm
http://www.pacsoa.org.au/books/reviews/tiotcb.html

Printer Friendly | Permalink | | Top

BlueJazz

(1000+ posts) Send PM | Profile | Ignore

Sat Mar-04-06 01:31 PM
Response to Original message

3. Wow..Thanks people. Geez..It must be truly strange to see the...

..world in only Black and White. (Not to the "See'er" but to someone with Regular Color Vision)

On a similar thought..

Anyone know why Traffic Lights always have Red on the Bottom??
Hint: It came about when Traffic lights "Hung" over Roadways.

Printer Friendly | Permalink | | Top

xmas74

(1000+ posts) Send PM | Profile | Ignore

Sat Mar-04-06 01:39 PM
Response to Reply #3

5. Red on the bottom?

Mine have always had red on the top. We even learned that in school.

"Red light at the top means stop, stop, stop.
Green light at the bottom means go, go, go.
Yellow light in the middle means wait, wait wait.
Even if you're late, late, late."

Printer Friendly | Permalink | | Top

MiniMandaRuth

(1000+ posts) Send PM | Profile | Ignore

Sat Mar-04-06 01:33 PM
Response to Original message

4. My friend is sort of color blind...

She can't see purple...

Printer Friendly | Permalink | | Top

gollygee

(1000+ posts) Send PM | Profile | Ignore

Sat Mar-04-06 01:40 PM
Response to Original message

6. I have a friend who can only see the color orange

He likes everything to be orange because he says every color looks the same except orange. I can't help but wonder if orange actually looks orange to him or if it looks different in some other way. How would he know?

Printer Friendly | Permalink | | Top

Rabrrrrrr

(1000+ posts) Send PM | Profile | Ignore

Sat Mar-04-06 01:41 PM
Response to Original message

7. Republicans are color blind

They don't notice anything that isn't white. Unless it's committing a crime.

Badoom crash.

Printer Friendly | Permalink | | Top

electron_blue

(1000+ posts) Send PM | Profile | Ignore

Sat Mar-04-06 01:59 PM
Response to Original message

8. Yes, I know someone who has that.

Edited on Sat Mar-04-06 01:59 PM by electron_blue

He has some very interesting views on the subject, very interesting to compare notes with him.

btw, if you want to kinda see what it's like, pay attention the next time you're in a very dimly lit room. If you look carefully, you'll notice that you can't see any color, just shades of gray.

Printer Friendly | Permalink | | Top

pitohui

(1000+ posts) Send PM | Profile | Ignore

Sat Mar-04-06 03:24 PM
Response to Original message

9. yes a co-worker had it

he was diagnosed as having a severe form of green/red color blindness but he could not really see any color and so his wife purchased all of his clothes in shades of brown so that he could never clash, since any shade of brown goes w. any other shade of brown

Printer Friendly | Permalink | | Top

Nikia

(1000+ posts) Send PM | Profile | Ignore

Sat Mar-04-06 03:38 PM
Response to Original message

10. My grandfather claims that he has it

My mother says that was just an excuse to not buy a color television.

Printer Friendly | Permalink | | Top

WCGreen

(1000+ posts) Send PM | Profile | Ignore

Sat Mar-04-06 03:42 PM
Response to Original message

11. Film Noir......

Printer Friendly | Permalink | | Top

DU AdBot (1000+ posts)

Sun May 05th 2024, 02:09 AM
Response to Original message

Advertisements [?]

Top

Powered by DCForum+ Version 1.1 Copyright 1997-2002 DCScripts.com
Software has been extensively modified by the DU administrators

Important Notices: By participating on this discussion board, visitors agree to abide by the rules outlined on our Rules page. Messages posted on the Democratic Underground Discussion Forums are the opinions of the individuals who post them, and do not necessarily represent the opinions of Democratic Underground, LLC.