Non taken, I was referring to "Don't blame it on yourself. It's mostly genes." By this logic, "Don't blame it on yourself. being a peasant or not is mostly genes."

The thing is, myopia is simply caused by eye fatigue, few may be somehow congenital or hereditary, and it might be slightly comminicable through behavior patterns; "Some people can spend 15 hours a day in front of a computer, and still see like hawks" , some people stare at screens nonstop, some look away constantly.