Peter Attia· MD
if you can make the pupil small pharmacologically and get it into the sweet spot which is probably about 1.6 millimeters you can suddenly see up close again because you've been you've expanded the depth of focus
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The headline is broadly defensible, but the qualifications matter. Effect sizes vary by population, the strongest claims rest on shorter trials, and credible voices push back on how it's typically framed.
if you can make the pupil small pharmacologically and get it into the sweet spot which is probably about 1.6 millimeters you can suddenly see up close again because you've been you've expanded the depth of focus
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Native comments, Twitter mentions, and Reddit threads about this claim — surfaced together so the conversation isn't fragmented across platforms.
Bookmarking — the dossier-vs-overview split is the right call. Most of the time I want overview; sometimes I want receipts.
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when we looked at patients who had their pupil size reduced pharmacologically their distance vision also gets better by the same principle because their depth of focus is so good