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by thsksbd 749 days ago
Protection over a life time of exposure, whereas if you avoid myopia by age 20 you're probably good for life
1 comments

Didn’t quite work in my case.
And you are not alone. I know a lot of people who got myopia after 20.
How bad? My college (8 diopters) was jealous of my "mild" 4 diopters of correction.