Depends on your personal eyesight. Mine changes a lot during the day to the point that I noticeably struggle to focus at times.

Someone not needing a wheelchair doesn't make wheelchairs a placebo for people who use it to cope with with an occasionally occurring condition.

I still can't get over the newer meaning of that phrase. Particularly jarring to read it on HN too!

Considering that South Korea has won 32 of the 40 golds ever for this competition, I think they know what they're doing

Man, hacker news comments can be so reddit quality with how dismissive and gut instinct they are... i came here to avoid that

Weird argument, in my opinion. It may be that eyesight is only one of several factors that determine performance in shooting events, and these devices help the athletes that use them but provide less benefit to others. Stating it's placebo just because other athletes don't use them is, to me, akin to saying that tape or compression sleeves don't work since some athletes don't use those.

He actually came in 13th, individually. His silver came from a team event.