Zusammenfassung
Das trockene Auge ist eine multifaktorielle Erkrankung der Tränenflüssigkeit und der Augenoberfläche, die zu Beschwerden, Sehstörungen und Tränenfilminstabilität mit möglicher Schädigung der Augenoberfläche führt. Im Wesentlichen führen zwei Mechanismen zum Bild des trockenen Auges: eine qualitative Reduktion der Tränenproduktion und eine erhöhte Verdunstung des Tränenfilms. Das evaporativ trockene Auge führt zu einer Irritation mit sekundärer Tränenhypersekretion, die dann das klinische Bild eines „feuchten Auges“ für Untersucher und Patienten zeigen kann. Die Kenntnis und das Verständnis der zugrunde liegenden Pathologien und Differenzialdiagnosen ist wichtig, um diese sehr häufige Ursache einer Epiphora z. B. von Erkrankungen der ableitenden Tränenwege abgrenzen und um eine adäquate Therapie einleiten zu können.
Abstract
Dry eye is a multifactorial disease of the tears and ocular surface that results in symptoms of discomfort, visual disturbance, and tear film instability, with potential damage to the ocular surface. The two main causes are reduced production of aqueous tears and increased evaporation of tears. The evaporative form of dry eye results in ocular surface irritation with a secondary increase in tear production; this presents to the examiner and patient as a wet eye or epiphora. Knowledge and understanding of the basic pathologies and differential diagnoses of dry eye disease are essential to differentiate this very common form of dry eye from disorders of the lacrimal drainage system and to initiate adequate management.
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Schargus, M., Geerling, G. Das „feuchte“ trockene Auge. Ophthalmologe 106, 235–241 (2009). https://doi.org/10.1007/s00347-008-1908-7
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DOI: https://doi.org/10.1007/s00347-008-1908-7