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I played tennis competitively as a teen. So that was about 1 to 2 hours a day, every day in the Florida sun. Still developed myopia by the end of high school th

I played tennis competitively as a teen. So that was about 1 to 2 hours a day, every day in the Florida sun. Still developed myopia by the end of high school though. . .

driverdan 8y ago
That's why studies look at aggregate data and not individual anecdotes. Individuals vary from the trend.
- naravara 8y ago
  Based on the Nature article it looks like the conclusions within the research community are still pretty unsettled.
deleted 8y ago
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