These plugs will stop the tear ducts from allowing the tears to just run down and out, preventing them from washing away the moisture start selling it need. Dry eyes are a continuing problem for some people for a lot of reasons. There was nothing the doctor could do for the appropriate eye. http://retrocityla.com/__media__/js/netsoltrademark.php?d=www.Opticaljournal.com%2Fsleep-apnea-and-dry-eye-syndrome%2F