According to this text, a small proportion of myopia is familial. But the prevalence of myopia has been increasing over the past 50 years, and has been associated with increased education and urbanization--the prevalence of myopia in rural East Asian areas is low...http://w3.csmu.edu.tw/~pcl/handout/optometrynews/How%20genetic%20is%20school%20myopia.pdf .
Thanks for the summary.
Thanks for the summary. I could not understand what the story was about from the commercials. Perhaps I'll watch it one of these days...