Comment on If there's a sort of "apocalyptic" event but there are still surviving communities, will people be able to make eyeglasses again, or are people with vision issues gonna be fucked?

usernamesAreTricky@lemmy.ml ⁨1⁩ ⁨day⁩ ago

Not that useful in scenarios except for reading: if you curl your hands in front of your eye and leave a very tiny opening you can create a pinhole that’ll make a tiny bit of your view in focus

Photo from Minute Physics demonstrating what you need to do for that:

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youtu.be/OydqR_7_DjI

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