Because there is increased understanding and more targeted diagnostics and therapeutics, there is more to do for dry eye patients than simply prescribe artificial tears. The TFOS DEWS II report redefined dry eye as a multifactorial disease, “in which tear film instability and hyperosmolarity, ocular surface inflammation and damage, and neurosensory abnormalities play etiological roles.”
“Now we have very specific ways of evaluating these components. We can measure osmolarity, detect and measure inflammatory cytokines, visualize and analyze the structural changes of meibomian
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