Colour Blindness

DVardysShadow

Mojisola wrote: »

I can't imagine any risk or danger from looking at the colour blindness tests available to the public. Why do you say they shouldn't be used?

There is no 'danger' or 'risk' in the sense of damage. But if you want the facts, then it is fairly obvious that you don't want the subject to be spending too much time looking at them in an informal setting and being conditioned before a professional test.

The test plates can be found on the internet - but on screen or printed, they will almost without doubt not be rendered in the true colour hues and saturations required to conduct the tests accurately.

GlasweJen

There are other conditions that can mask as colour blindness. That's why when the school nurse does their eye exams they never diagnose and refer them on for a full eye exam.

OP there is a positive to colour blindness. It's thought that colour blind individuals were better hunters as they could see through camoflague that "normal" individuals can't see through. It's though that when we were hunter/gathering the hunting parties with most success would have at least one colour blind individual and that's how the gene is still kicking about.

jblack_2

I am colour blind. All the males on my mothers side of the family going back at least 5 generations are too. I have a son who's just turned 2 years old, he will almost certainly be colour blind too. I can honestly say it has made no difference to me whatsoever except for when I wanted to be a fireman as a child but found out I couldn't (Something to do with the heat sensing cameras etc.). It's made no difference to my driving, I got my LGV licenses but it was my diabetes which caused me to lose them.

The biggest problem he'll have is a clashing fashion sense although this is easily remedied by taking advice:D.

Indie_Kid

jblack wrote: »

The biggest problem he'll have is a clashing fashion sense although this is easily remedied by taking advice:D.

So true!:o:rotfl:

Jinx

jblack wrote: »

The biggest problem he'll have is a clashing fashion sense although this is easily remedied by taking advice:D.

Like this - most men dont have the excuse of colour blindness!!:D

Mojisola

DVardysShadow wrote: »

There is no 'danger' or 'risk' in the sense of damage. But if you want the facts, then it is fairly obvious that you don't want the subject to be spending too much time looking at them in an informal setting and being conditioned before a professional test.

The test plates can be found on the internet - but on screen or printed, they will almost without doubt not be rendered in the true colour hues and saturations required to conduct the tests accurately.

I honestly can't see a problem. If you try them and you don't have any problems seeing the numbers and shapes, you don't need to take it any further. If you have trouble with any of them, make an appointment with an optician who will do a proper test - not just for red/green blindness. You can't "learn" to do the tests because if you can't see the shapes, you can't see the shapes. It's not like learning the order of letters on the optician's sight board.

DVardysShadow

Mojisola wrote: »

I honestly can't see a problem. If you try them and you don't have any problems seeing the numbers and shapes, you don't need to take it any further. If you have trouble with any of them, make an appointment with an optician who will do a proper test - not just for red/green blindness. You can't "learn" to do the tests because if you can't see the shapes, you can't see the shapes. It's not like learning the order of letters on the optician's sight board.

Of course, if you can see them because your printer or your monitor is enhancing the hue, you are getting a false pass and you would be mistakenly not taking it further. Monitors, operating systems and printers all have different ways in which they alter colour rendering.

What you have argued here is a perfect demonstration of why you should not self administer the test - because if you google for it, you will not be administering the test, you will be administering something different and you don't know how different. Let the professional do it and have the standard test administered. Anything else is muddying the waters.

Mojisola

We'll have to agree to disagree. There's enough different shades shown on the sight tests cards to cover most problems with colour variations on the monitor.

The full colour test should be done for every child at school so that everyone is aware of any problems they may have and can compensate for them.

Jo4

I had laser treatment and as a result I lost some of my colour vision. For instance when I see an ambulance I don't see the bright colours on it. I don't see a difference in browns, reds, oranges and yellows. I don't see a difference in blues and greens. Although when I go clothes shopping my hubby will say isn't that a nice pale blue top or whatever colour and no one catches on that I don't see the colour. I would have loved to have been a forensic detective but you need colour vision.

BTW I don't have night vision either as a result of the laser treatment but when I am out at night hubby communicates with me through my hand so I know to stop, go down/up a certain number of steps or there's a slant, turn left/right etc. No one passes any remarks on a couple holding hands so know one knows that sometimes it is because of my sight.

It is like a lot of things in life one adapts and gets used to it. I wish you and your son the best.

ERICS_MUM

My nephew who is colour blind passed his medical to join the police, but has been told that he won't be able to handle any fire arms (I'm not quite sure why, but then I don't know much about guns etc.)