Frankly that sounds exhausting to me. Do an experiment: for the next hour, every time you click something, blink your right eye. See how long it takes for fatigue to set in.
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.
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[ 0.15 ms ] story [ 27.6 ms ] threadIf I slowly blink my eyes right now, I'm more prone to doze off than stay hyper-focused on whatever I'm working on.
- Your eyes are being reprojected on the other side and it would probably look awkward
- Hands offer a more contextual options than two eyes do