Abstract
Dry Eye is one of the most common ocular diseases worldwide with an increasing number of patients. The pathogenesis of this disease is multifactorial and complex and the basis for diagnostic strategies and therapies. The current definition of dry eye disease as described in DEWS II includes inflammatory mechanisms at the ocular surface, a loss of homeostasis, hyperosmolarity of the tear film and neurosensory abnormalities. Subject symptom scores, a detailed patient history, certain diagnostic tools, and interdisciplinary interactions are necessary to enable an efficient, individualized and successful therapy. Important diagnostics include risk factor analysis, slit lamp examination, tear secretion tests, tearfilm stability tests, and tests for measuring the ocular surface inflammation.
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