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Comment by wtbob | Hacker News Reader

That's actually something I worry about. I'm blind without my glasses, seriously, debilitatingly blind. With them, of course, I have better-than-perfect (for some value of 'perfect') vision. Should I have children? Is it ethical to do so? I honestly don't know.

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My view is anything we have technology to cure we shouldn't worry about.

The more problems we can treat with technology the smaller the genetic search space becomes. evolution can focus just on the things we can't easily solve.

What is your specific visual condition, if you don't mind my asking. Most people who I'd characterize as "debilitatingly blind" are lucky if they get any benefit from conventional eyeglasses, let alone "better-than-perfect" vision. I have a significant visual impairment myself (myopia, aphakia, and nystagmus) but I wouldn't put myself in that category.

Astigmatism and severe myopia. They're easily correctable, but without glasses I can't see more than about three inches from my nose. At normal viewing distances I simply cannot even see things other people can see, like letters, small animals or children &c.

Without glasses I'd be severely crippled. I've conducted a few experiments trying to move around in public without them, and it's beyond frightening.

Thanks for sharing, and forgive my sounding skeptical. I lucked out because the aphakia and myopia sort of cancel each other out, I still need glasses but they're primarily for near-distance. If I hadn't undergone cataract surgery as an infant, I'd probably have similar challenges.

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