However, unfortunately headaches are a major part of mountain climbing.
If eye sight are watering or tearing up next could also indicate eye strain. Those who do lack moisture wind up suffering of one's symptoms of Dry Eyes for example itchiness and discomfort. http://sihospice.com/__media__/js/netsoltrademark.php?d=www.Opticaljournal.com%2Fdry-eye-complaints-in-doctors-offices%2F