I am color blind also, which is very rare in females. I'm red/green as well. I didn't even know it until I went into the military and took a color blind test. I have a hard time believing anyone can see any of those numbers in the circles. It just looks like a bunch of dots to me,even when people trace over the numbers to point them out to me. My DS13 is also color blind, but not my DD8.
I do have a difficult time matching clothing and need lots of help from a friendly clerk unless it is a really obvious color match. My most difficult color to distinguish are shades of green if it looks really yuck to me, I know it is probably some off-shade of green.
Some tips for your DS - if your school still uses chalk boards, yellow chalk on the boards are really difficult to see. Suggest the teacher always use white. Also make sure when he is testing that tests do not talk about color. Which ball is bigger, the blue or the green etc. This is really an issue sometimes in social studies with map reading, pr reading charts/graphs in math, etc.
Last edited by DorothyS; 03/26/10 08:25 PM. Reason: added tips for DS