Colors

Twelvebar · **Posted:** Tue Aug 31, 2010 9:54 am

Ceri wrote:

guitslinger wrote:

A doctor here developed a test to guage the degree of colourblindness in people.She assembled dots of similar colours that were close in hue and just slightly different.A normal sighted person could discern a number inside the dots but depending on the degree of colourblindness some couldn't see anything.

These things?

That system was in fact invented by a Japanese opthalmologist, Shinobu Ishihara, in the 1910s.

Amusing aside: my dad taught in art schools most of his working life. During the '70s they briefly included testing for colorblindness using the Ishihara system for candidates applying to the degree courses. But they had to drop it very quickly - far too many of the good students turned out to be colorblind. Amazing how many artists (especially in graphics) can't see all the colors - strange but true.

Then again, excellent classical percussionist Evelyn Glennie has been profoundly deaf since birth, so...

Cheers - C

Ceri why would you post a picture of a circle made up of little brown dots??

ripitup555 · **Posted:** Tue Aug 31, 2010 9:58 am

Twelvebar wrote:

Ceri wrote:

guitslinger wrote:

A doctor here developed a test to guage the degree of colourblindness in people.She assembled dots of similar colours that were close in hue and just slightly different.A normal sighted person could discern a number inside the dots but depending on the degree of colourblindness some couldn't see anything.

These things?

That system was in fact invented by a Japanese opthalmologist, Shinobu Ishihara, in the 1910s.

Amusing aside: my dad taught in art schools most of his working life. During the '70s they briefly included testing for colorblindness using the Ishihara system for candidates applying to the degree courses. But they had to drop it very quickly - far too many of the good students turned out to be colorblind. Amazing how many artists (especially in graphics) can't see all the colors - strange but true.

Then again, excellent classical percussionist Evelyn Glennie has been profoundly deaf since birth, so...

Cheers - C

Ceri why would you post a picture of a circle made up of little brown dots??

It's a golf ball for playing in the snow, right?

Floyd_The_Barber · **Posted:** Tue Aug 31, 2010 10:01 am

Floyd_The_Barber wrote:

Ceri wrote:

guitslinger wrote:

A doctor here developed a test to guage the degree of colourblindness in people.She assembled dots of similar colours that were close in hue and just slightly different.A normal sighted person could discern a number inside the dots but depending on the degree of colourblindness some couldn't see anything.

These things?

That system was in fact invented by a Japanese opthalmologist, Shinobu Ishihara, in the 1910s.

Amusing aside: my dad taught in art schools most of his working life. During the '70s they briefly included testing for colorblindness using the Ishihara system for candidates applying to the degree courses. But they had to drop it very quickly - far too many of the good students turned out to be colorblind. Amazing how many artists (especially in graphics) can't see all the colors - strange but true.

Then again, excellent classical percussionist Evelyn Glennie has been profoundly deaf since birth, so...

Cheers - C

i only see one shade of green and one of orange...

edit: posted in the quote

Ceri · **Posted:** Tue Aug 31, 2010 10:03 am

Floyd_The_Barber wrote:

i only see one shade of green and one of orange...

You pass. You are now permitted to work with liqueurs in a cocktail bar.

Cheers - C

Floyd_The_Barber · **Posted:** Tue Aug 31, 2010 10:45 am

Ceri wrote:

Floyd_The_Barber wrote:

i only see one shade of green and one of orange...

You pass. You are now permitted to work with liqueurs in a cocktail bar.

Cheers - C

Twelvebar · **Posted:** Tue Aug 31, 2010 12:03 pm

seriously though, although I don't have 20/20 vision my colour perception is excellent. here's a neat little test.

I'll brag, I actually got a perfect score on this:

http://www.xrite.com/custom_page.aspx?PageID=77

Ceri · **Posted:** Tue Aug 31, 2010 12:52 pm

Twelvebar wrote:

I'll brag, I actually got a perfect score

Huh.

Practice practice practice.

Hey wait - should I take the RayBans off?

Cheers - C

Disoriented_someone · **Joined:** Wed Aug 18, 2010 11:45 am **Posts:** 241

Ceri wrote:

guitslinger wrote:

A doctor here developed a test to guage the degree of colourblindness in people.She assembled dots of similar colours that were close in hue and just slightly different.A normal sighted person could discern a number inside the dots but depending on the degree of colourblindness some couldn't see anything.

These things?

That system was in fact invented by a Japanese opthalmologist, Shinobu Ishihara, in the 1910s.

Amusing aside: my dad taught in art schools most of his working life. During the '70s they briefly included testing for colorblindness using the Ishihara system for candidates applying to the degree courses. But they had to drop it very quickly - far too many of the good students turned out to be colorblind. Amazing how many artists (especially in graphics) can't see all the colors - strange but true.

Then again, excellent classical percussionist Evelyn Glennie has been profoundly deaf since birth, so...

Cheers - C

i can see 6 or even more colors....and i'm not drunk :lol:

is it because i'm having an "obsessive cones disorder"?

guitslinger · **Posted:** Tue Aug 31, 2010 6:03 pm

Her test was basically like that but the colours were near matches so people with a small amount of colourblindness couldn't tell the difference. A guy I played in a band with was almost finished an electronics course when it was discovered he had a certain degree of colourblindness and he had to quit because the banding patterns of resistors(or is it capacitors?) was close in some cases and that could cause major problems when wiring up circuit boards etc.

Ceri · **Posted:** Thu Sep 02, 2010 9:26 am

Twelvebar wrote:

seriously though, although I don't have 20/20 vision my colour perception is excellent. here's a neat little test.

I'll brag, I actually got a perfect score on this:

http://www.xrite.com/custom_page.aspx?PageID=77

OK, I just tried that test again. This time I scored 0. Ye-e-e-a-a-ah!

Now I shall never, ever try it again. Only one way to go from perfection... :lol:

Cheers - C

radio_friendly_unit_shifter · **Posted:** Thu Sep 02, 2010 3:00 pm

Disoriented_someone wrote:

Ceri wrote:

guitslinger wrote:

A doctor here developed a test to guage the degree of colourblindness in people.She assembled dots of similar colours that were close in hue and just slightly different.A normal sighted person could discern a number inside the dots but depending on the degree of colourblindness some couldn't see anything.

These things?

That system was in fact invented by a Japanese opthalmologist, Shinobu Ishihara, in the 1910s.

Amusing aside: my dad taught in art schools most of his working life. During the '70s they briefly included testing for colorblindness using the Ishihara system for candidates applying to the degree courses. But they had to drop it very quickly - far too many of the good students turned out to be colorblind. Amazing how many artists (especially in graphics) can't see all the colors - strange but true.

Then again, excellent classical percussionist Evelyn Glennie has been profoundly deaf since birth, so...

Cheers - C

i can see 6 or even more colors....and i'm not drunk :lol:

is it because i'm having an "obsessive cones disorder"?

i can only see 2, orange and the bluey greeny colour

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