What is the reason for eye discharge and tears in premature infants?

Patient's question:

34-week premature infant. Born 46 days ago today. Has eye discharge. Has tears. Persistent for 5 days. Used saline solution for 2 days without improvement. Used Tobramycin eye drops for 2 days without improvement.

Doctor's answer:

Hello friend. It's a pleasure to answer your question for you: Excessive eye discharge is usually caused by bacteria invading the lacrimal sac. The bacteria multiply in the lacrimal sac, leading to pus formation. The purulent material fills the entire lacrimal sac and cannot be excreted downward. It can only be discharged upward along the lacrimal sac and lacrimal duct into the eye. If left untreated in a timely manner, it may lead to complications such as keratitis. The cornea may turn white, forming a leukoma, which can then affect vision. It is recommended to undergo a checkup to identify the underlying cause.

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