Asked by dontillia
When learning about DED, what does the term “phenotype” mean?
A classification that distinguishes between aqueous-deficient, evaporative, or mixed DED
A type of questionnaire used to measure vision-related QOL and tear production
A laboratory test that measures ocular surface inflammation to diagnose DED
A preservative that may cause ocular surface toxicity and should be avoided
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Correct answer: A classification that distinguishes between aqueous-deficient, evaporative, or mixed DED.
Explanation: "Phenotype" in DED refers to the observable clinical presentation (signs, symptoms and test findings) — e.g., aqueous-deficient, evaporative, or mixed dry eye. It is not a questionnaire, a specific lab test, or a preservative. (By contrast, "endotype" denotes the underlying biological mechanism.)
Explanation: "Phenotype" in DED refers to the observable clinical presentation (signs, symptoms and test findings) — e.g., aqueous-deficient, evaporative, or mixed dry eye. It is not a questionnaire, a specific lab test, or a preservative. (By contrast, "endotype" denotes the underlying biological mechanism.)
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