Originally Posted by
aiir
When I went in for my test, the doc also did some eye test with letters/numbers and a straight line that crossed between a certain letter, and I had to tell him which one. I don't know what that test does, it was done in one of those machines where you stick your eyes via a visor of sorts, perhaps it was that one, it's hard to say.
Looking for phorias and tropias and assessing for stereopsis. I think the military still does that one but I don't believe the FAA actually has a standard for it. In fact, since they'll give SODAs for monocular pilots, they can't actually take it very seriously.