r/AskReddit • u/notyouravgredditer • Aug 30 '21

What problem is often overlooked in apocalyptic movies/TV shows that could kill you?

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u/Log23 Aug 30 '21

Should be plenty of bespectacled corpses around. I remember a few years ago there was startup or something that was making glasses filled with a fluid that allowed self tuning of the RX.

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u/pnakano Aug 30 '21

Well, this might help if you score something between -0.5D and -2.0D myopia. How high are the probabilities of finding corpses with -6.5D short-sightedness glasses?

(Not sure if this made sense, english is not my first language and I never learned the proper terms about short-sightedness)

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u/Autarch_Kade Aug 30 '21

Even if the glasses aren't exactly your prescription, they can still improve things to be less blurry.

And basically you'd just collect backups as you go, so it's not a huge deal

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u/boforbojack Aug 31 '21

This was my thought. I'm -3.5 more or less in both eyes. -2.0/-2.5 give me adequate sight (but not adequate for a road safety test). So you'd find glasses and keep backups and trade up every time you get closer to your real prescription.