According to the mafia it is possible that the perception of colors can get worse due to some medicin and age. By national law you had to pass the test just once but now they come up with this. The US, Canada and Australia are going to the left and Europe to the right about this subject. Don,t spent youre money on flight training based on a lot of preparation of the tests. If you are flying for an airliner and you get your 5 yearly check you better have nerves of steel. Otherwise you already may fail it because of the pressure.
Greetz