Could be. I'm in the same boat (tons of outside time as a kid, very little screen time, significant myopia by age 6-7). Both my parents are past -8, maybe -9

Could be. I'm in the same boat (tons of outside time as a kid, very little screen time, significant myopia by age 6-7). Both my parents are past -8, maybe -9 or -10? I forget, got some realllly thick glasses.