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There are plenty of people who got exposure to sunlight and far distances as a child who need glasses anyway.

My dad grew up on a farm, and rarely spent much time inside, still needed strong glasses all his life to see.

Anecdotally, I grew up playing outdoors on a farm, not much computer time until I was 11 or 12 or so, which is also around the time I had to get glasses with almost the same prescription strength as my father.

Either computers are quick to ruin eyesight or it was genetic.

Hence GP's use of the word reduce instead of eliminate

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