Cornea & Conjunctiva · NEET PG Preparation Ophthalmology
During an evaluation for dry eye syndrome, a patient undergoes Schirmer's test. Without topical anesthesia, a reading of wetting of the filter paper…
Practice question from Cornea & Conjunctiva (NEET PG Preparation Ophthalmology), with the correct answer and a step-by-step solution.
easy · MCQ · Q-88E779
During an evaluation for dry eye syndrome, a patient undergoes Schirmer's test. Without topical anesthesia, a reading of wetting of the filter paper of less than how many millimeters in 5 minutes is generally considered abnormal and diagnostic of aqueous tear deficiency?
- A.Less than 15 mm
- B.Less than 10 mm
- C.Less than 5 mmCorrect answer
- D.Less than 20 mm
Solution
In Schirmer test I (performed without topical anesthesia to measure both basal and reflex secretion), a wetting of less than 5 mm in 5 minutes is considered abnormal and is indicative of aqueous tear deficiency, characteristic of dry eye syndrome (such as in Sjögren syndrome).
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