It is thought that limited exposure to the outdoor environment during the global pandemic has lead to this increase in the prevalence of myopia.
For further details please follow the following links: https://www.sciencealert.com/the-pand...
Myopia incidence and lifestyle changes among school children during the COVID-19 pandemic: a population-based prospective study: https://bjo.bmj.com/content/early/202...
https://www.sciencefocus.com/news/cov...