Are you having trouble figuring out the cause of your dry eye? It could be caused by meibomian gland disfunction. The meibomian glands are found on your upper and lower eye lids. They secrete oil that’s coats the eye and help prevent your tears from evaporating. Read more here about this disfunction:
http://www.allaboutvision.com/conditions/meibomian-gland.htm
