Dry Eye Syndrome, which has been recently termed as Dry Eye Disease (DED) (Beherens et al 2006; Lemp 2008), is the most frequent disorder in Ophthalmology. Fortunately, only infrequently it becomes most severe. Although the condition was recognized as a clinical disorder in the year 1920 and described clinically in the early 1930’s, the greatest amount of information both from an epidemiological and pathogenetic perspective has accrued during the last ten years. What is Dry Eye Syndrome?
Dry Eye Syndrome is a disorder of the preocular tear film that results in damage to the ocular surface and is associated with symptoms of ocular discomfort. Dry eye is characterized by instability of the tear film that can be due to insufficient amount of tear production or due to poor quality of tear film, which results in increased evaporation of the tears. Dry eye therefore can mainly be divided in…
