[bluGill]

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.

[Clamchop]

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.

[WithinReason]

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