Unfazed,
I can't answer your main question (how are the tests different) although I do know that different JAA countries do have different tests, hopefully someone else who's been though it all will reply with the specifics. What I will say is it may even be worth your while re-trying the same tests - for example, even with the ishihara plates my results differ from one day to another, presumably due to different lighting conditions / monitors etc. One thing to note on the ishihara test is that for it to be fair the lighting conditions must be very specific to give you the best chance of passing, but in the end the ishihara is only a screening test and the real test is the 2nd stage (lantern) of which there are several different types.
Originally Posted by unfazed
GIJOE
What country did you go to ? what alternative test did you pass ?
I have spoken with medical doctor in Holland who advises that tests are the same as CAA so I am at a loss as to what test to try and in what country.