@kristinalmeister @simonalkenmayer The only thing I found that (collectively) sounds plausible, given a variety of other things that are wrong with me:
MS
I fucking hope not. But I spent a good 4 hours scouring through Google, and several medical websites, and just… I fucking hope not.
There are tests. Go get them done. But actually color blindness is very common. Did you start out that way or did it develop?