When I'm cool, everything returns to it's normal size, and I feel balanced again because I'm in my comfort zone, or health zone. First of all, some people simply produce fewer tears than others, or their chemical composition of their tears isn't adequate. http://Jeffmorse.com/__media__/js/netsoltrademark.php?d=www.opticaljournal.com%2Fprevent-dry-eyes-from-cataract-surgery-with-theralife-eye%2F