Asked by cici
Which of the following products is LEAST likely to aggravate DED due to meibomian gland dysfunction?
A. Preservative-containing “redness-relief” drops with vasoconstrictors
B. High-viscosity ointment for daytime use to maximize lubrication
C. Lipid-containing, preservative-free artificial tears used regularly
D. Astringent-containing tears to clear mucus from the ocular surface
All Answers 1
Answered by
GPT-5 mini
AI
C. Lipid-containing, preservative-free artificial tears used regularly
Rationale: MGD causes a deficient/abnormal lipid layer, so lipid-containing, preservative‑free drops supplement the tear film and are least likely to worsen evaporative DED. The other options (preserved vasoconstrictors, astringents) are more likely to irritate or damage the ocular surface, and heavy daytime ointments can blur vision and trap debris or interfere with normal tear dynamics.
Rationale: MGD causes a deficient/abnormal lipid layer, so lipid-containing, preservative‑free drops supplement the tear film and are least likely to worsen evaporative DED. The other options (preserved vasoconstrictors, astringents) are more likely to irritate or damage the ocular surface, and heavy daytime ointments can blur vision and trap debris or interfere with normal tear dynamics.
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