How do we know that the colour blind are, in fact, wrong ?

Question

Referring to my previous question, one of the answers comented on the colour blind person seeing things differently. Therefore, could they actually be correct and the rest of us wrong ?.

Answer 1

Most colourblindness is marginal and the difficulty they have in picking out patterns that the rest of us cope with suggests that they have a disablement of some sort.

However, the more interesting issue is what does each of us see when we say "that is red". There is no "red" in the world or any other colour, only different frequencies of light.

As we are taught about the world we are given the names of specific frequencies of light, but each of may be seeing completely different "colours". As long as we are consistent, no-one will ever know!

Answer 2

It is a physical difference in a physical part of the body unlike perception which may be held to be more to do with intelligence and conditioning/education/life experience and is therefore subjective and not empirical and will vary tremendously. Very few people can look through say a microscope without adjusting the focus from the the way the last user had it. So in answer to your question we all see things differently to some degree and right or wrong does not really apply. Good question though!

Answer 3

I have sat a test for colour blindness, theres a standard guidline book and other devices for this, its important if you want to be an electrician, telephone engineer or similar work, as you have to be able to see colours correctly of all those multi colour wires. So its not a colour blind person is correct and we are wrong theres just some things they cannot do as well as the rest.

Answer 4

Along with some 20% of the male population I am red/green colour blind.
Traffic lights are different colours to me so you are safe on that one!
Red berries on green trees do not show up too well.
My wife thinks some colours match or go together where I see them clash.
During the war they flew colour blind people over camouflaged installations as they could see differences where 'normal' sighted people couldn't.
BUT the big problem is Mauve and Purple I can - apparently - get some horrible clashes with my ties!
RoyS

Answer 5

by ability of having a watch and innovations wellbeing practitioner examine the attention and innovations anatomy of two people. in the event that they are precisely a similar, then logically they might desire to view the colour blue a similar. Likewise the colour pink, yellow and so on. If 2 mechanics have been to construct 2 autos from the coolest comparable blueprints, there is not any way that one automobile could be speedier than the different.

Answer 6

The majority of the world's population could be wrong but I doubt it.
The reason that people are found to be colour blind is when the eye cannot distinguish between tones of colour for example Dr Shinobu Ishihara devised a test using coloured balls with a number in them to distinguish the type of colour blindness.

Answer 7

What colour is a tomato? Or a geranium of the same colour? Or a warning notice? Or a pepper that's neither green nor yellow?

Red - or brown?

You got it. But my ex-husband saw red things as either brown or green. Was he right all the time? Should the Highway Code be telling us to stop at a brown light?

Get real!

Answer 8

Let me say it so: The blind men are missing one important sense. But the human brain finds perhaps other points of cognition to define the colours or to recognise different colours.

If You know blind men You can check it out!

Answer 9

They misrepresent the color spectrum, which has empirical fact in electro-magnetic wavelengths. We can see the whole visible field from red to blue in hue, saturation and color; a color-blind person mistakes the objective fact. Our particular feelings for color make no difference, if it was simply a case of color-swapping. As long as individuation among the continuity is there, that person is representing reality correctly.

Answer 10

Because they cannot tell the difference when a traffic light changes. If it was just that they couldn't see a different colour that would be ok, but they see certain colours as the same colour so cannot tell when a traffic light changes from red to green (for example) so they don't know what colour the traffic light is which makes it dangerous for us and them.