http://ideas.eyeconx.net/story.php?title=novel-technology-promises-relief-for-those-with-dry-eye When the water in tears evaporates faster than it should, the eye begins to itch and vision begins to blur. The cause can often be traced to the meibomian gland, which normally secretes lipids that protect tears on the eye surface from evaporation. Without these lipids, tears evaporate quickly and the surface of the eye dries. Last July, the US Food and Drug Administration approved the LipiFlow Th... Fri, 27 Jan 2012 16:53:25 EST en