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by jordanroher 1108 days ago
Some people with otherwise perfect eyesight (like me) physically can't do that.
2 comments

For what it's worth, I deliberately trained myself to be able to do that as a kid. I noticed I couldn't, and it bothered me, so I just kept practicing until I had it down. I don't know whether it's possible to train as an adult, though.
What about a slow blink with both eyes to select?