[Ms K]

I dont know anything about diagnoses, but my DH is colourblind, inherited from his mother and confuses blue/purple and red/brown. He is an architect and it doesn't interfere with working or day to day life at all.

[CubaLulu]

ETA: DH didn't find out he was red/green colourblind until he was 21 and doing a general health check as part of his employment. He failed the colourblind test. He can correctly identify red and green, but put them together he has problems (so he HATES Christmas red/green).

OP, a few other things that used to stand out with my son before we figured it out for sure, was that he NEVER understood why he couldn't have a green banana: green and yellow both look yellow with red/green colour blindness. He can't make out red trees in autumn among green ones. If we hold out a handful of textas, he will confuse the brown and purple, then the red and orange. But separate them, he's fine. He used to hate drawing with a passion.

This is my DH. He didn't know there was a problem till High School when they did the colour spot test things (where you see a shape or number made up of coloured spots inside a different coloured circle of spots) and just couldn't do it. He tried to get through into the army, but it stopped him (he just couldn't pretend when doing the test!).
He hates it when I ask him to buy bananas (he never gets the ripeness right!) and hates those new parking lights that tell you if there is a free space in a large carpark using green and red lights. He just can't tell the difference.
But if you hold up a red apple, he'll know it's red... and he knows grass is green etc. It's strange how it all works.

ETA: DH didn't find out he was red/green colourblind until he was 21 and doing a general health check as part of his employment. He failed the colourblind test. He can correctly identify red and green, but put them together he has problems (so he HATES Christmas red/green).

OP, a few other things that used to stand out with my son before we figured it out for sure, was that he NEVER understood why he couldn't have a green banana: green and yellow both look yellow with red/green colour blindness. He can't make out red trees in autumn among green ones. If we hold out a handful of textas, he will confuse the brown and purple, then the red and orange. But separate them, he's fine. He used to hate drawing with a passion.

This is my DH. He didn't know there was a problem till High School when they did the colour spot test things (where you see a shape or number made up of coloured spots inside a different coloured circle of spots) and just couldn't do it. He tried to get through into the army, but it stopped him (he just couldn't pretend when doing the test!).
He hates it when I ask him to buy bananas (he never gets the ripeness right!) and hates those new parking lights that tell you if there is a free space in a large carpark using green and red lights. He just can't tell the difference.
But if you hold up a red apple, he'll know it's red... and he knows grass is green etc. It's strange how it all works.

[lsolaBella]

hates those new parking lights that tell you if there is a free space in a large carpark using green and red lights.

Both my Dad and my DH get carpark rage with those. I tell them just to pretend they are not there.