I just did PNF for a cadet while the "bosses" watched... All done.
Naaah I would not prepare for a full sim. All they might want to see is that you can see the diff colors, I guess... Remember magenta and fuchsia are different! LOL
CAAC medical = JOKE!!!
And yes I always have a bit of a hard time with that darn test... Specially seing the number 69 one...
PseudoIsochromatic Plate Ishihara Compatible (PIP) Color Vision Test 24 Plate Edition
Here practice some
Take the Ishihara Color Vision Test
GL