Meibomian gland dysfunction/ Meibomitis is the most common cause of dry eyes. 60 % of dry-eye sufferers have meibomian gland disease. Yet it is not usually diagnosed! This new found knowledge has changed the way that The EyeClinic by Dr Cheryl Lee treats dry eyes, giving relief to many who have thought that there is no cure for dry eyes. First, we need to understand what our Meibomian glands do for us.