• Should I worry about getting double vision during triathlons?


    Question:

    I've gotten double vision during and after endurance running and triathlon events. What would bring this on and is it preventable? Is it possible there's something more serious than eye fatigue?


    Answer:

    I would ask how long the double vision lasts, what they are like, and how debilitating they are. There are many benign (harmless) causes of this, like fatigue, but there are also some neurological conditions that can cause these symptoms. I would say that if this has happened repeatedly, caused difficulty, or lasted more than a few minutes, I would see an ophthalmologist who can likely rule out significant disease or make an appropriate referral if disease is suspected.


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