Carrier fighter pilots, when under stressful situations, have to do ALOT of focusing on their task at hand and not on where they want to land. They even hooked them up to machines in Vietnam and recorded their stress levels.
The highest level? Landing on the carrier. Combat over Hanoi was not as bad as landing as for stress. And back then, they didn't have all the gizmos they have today to assist (and think about WW2 pilots who just had this guy with two ping-pong paddles for help!)
Like I posted before, in his books Jim Cirollo pointed out he did see his sights.
Many firearms trainers (Cooper, Chuck Taylor, Clint Smith, Tom Givens, John Hearne, Paul Howe, etc..) all have plenty of students that say they saw their sights under self defense situations.
Does that mean everyone sees their sights? No.
Does that mean every situation one can see their sights? No.
But as Jeff Cooper wrote in his field manual (Gunsight manual), "and if you cannot see your sights, bring the gun up as IF you could see your sights".
What he was saying is, produce the same index as you would do if you could see your sights and at close range you still get the hits.
So as I have posted many a time... index and trigger control are the keys. Just how you achieve the index is up to you.
"The government has confiscated all of our rights and is selling them back to us in the form of permits."