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I don't wear glasses or contacts, so can't see myself ever buying these. I really like that finger ring controller though, pretty innovative. Slightly-off topi

I don't wear glasses or contacts, so can't see myself ever buying these. I really like that finger ring controller though, pretty innovative. Slightly-off topic: Does anyone know what percentage of the population has vision that is impaired to the point where they require aids such as contacts or glasses?

dsnuh 8y ago
About 75% according to this: https://www.essilorusa.com/newsroom/vision-impact-institute-releases-study-on-corrective-lens-wearers-in-the-u-s https://www.essilorusa.com/newsroom/vision-impact-institute-...