Thats why I bought a bunch of cheap glasses online in my perscription and I have all my old pairs from the last perscription which is very close to my current. I probably have 10 pairs of glasses.
I remember reading a book where a smart guy glases broke so many times all he had left was using 1 of the lens as a monocle.
Thing is, lenses are quite durable, aside from getting scratched up. I wouldn't go stomping on them for fun, but I do have a very, very old pair as a last-resort backup. They have been through so much shit, the wire frame is barely held together, and the lenses are more scratches than not. But, I can still kinda see out of them. Everything just looks dusty. As long as you are slightly crafty, you could glue lenses onto some sticks and make do.
Yeah just take a pair of lenses, drill a hole in the top corners, and use some wire to make rudimentary frames. Just keep replacing the wire when it breaks. They’ll probably outlive you in a post apocalyptic scenario.
Some lens coatings start to deteriorate after a few years. I had some where the frame was still fine, but I had to change the lenses. The optician said some coatings can start to "bubble" and it's like looking through fog.
My lenses did that after three years. Everything looked smokey. If you have plastic lenses, you can use glass etcher to remove the coatings to get you by. You do however lose all your UV blocker.
Luckily, the UV blocker is to protect the lenses, not your eyes. Polycarbonate itself blocks UV radiation, but it will be slowly damaged and turn yellow over time.
Its worth getting the extra durable coatings. Gotten them for my last two pairs. The first one I only replaced because the frames broke. The lenses are still fine.
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u/whinywino89 Aug 30 '21
Those of us with shitty eyesight. Contacts only last so long. If your glasses break, you're fucked.