Nasolacrimal Duct Obstruction

Nasolacrimal Duct Obstruction
SYMPTOMS Tearing, discomfort
SIGNS Tearing, redness, mucous discharge
WORK-UP Thorough history. Slit lamp examination
TREATMENT Observation | lid massage | topical antibiotic | probing | Rarely is dacryocystorhinostomy indicated.
FOLLOW-UP Frequent follow-ups are not indicated unless a surgery procedure is performed.
ADDITIONAL LAB | TESTS Fluorescein dye disappearance test
ETIOLOGY Congenital (duct over valve of Hasner) or age-related
DIFFERENTIAL DX Conjunctivitis | punctal agenesis | dacryocele
NOTES The majority of congenital cases spontaneously resolve by age 1

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