Came here to say this as well, I can change mine without moving when looking in ... | Hacker News

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		smcleod on Sept 1, 2021 \| parent \| context \| favorite \| on: Man can change his pupil size on command Came here to say this as well, I can change mine without moving when looking in a mirror - to me it "feels" like I'm focusing my eyes on something that isn't there.

tomthe on Sept 1, 2021 [–]

Same here. I used this to impress my friends in primary school. I couldn't find another use for it though.

tandem5000 on Sept 1, 2021 | [–]

I can also blur my eyes deliberately and I sometimes use it to get a better idea of the gestalt aesthetics during drawing or graphics design work.

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