• Hua Sun, Jing-Wen Ding, Dong-Mei Li, and Ning-Li Wang.
• Beijing Tongren Eye Center, Beijing Key Laboratory of Ophthalmology and Visual Science, Beijing Tongren Hospital, Capital Medical University, Beijing 100730, China.
• Chin. Med. J. 2020 Oct 20; 133 (20): 2422-2428.

BackgroundHasner valve incision has been recently introduced as a new treatment for ophthalmic patients with epiphora symptoms. The aim of this study was to examine whether surgical outcomes of Hasner valve incision for inferior nasolacrimal duct obstruction were different between pediatric and adult patients.MethodsA total of 53 eyes of 52 patients who underwent Hasner valve incision in the Beijing Tongren Hospital from October 2016 to November 2019 were retrospectively observed. Patients were divided into two groups, including pediatric group (23 eyes of 22 patients, <18 years old) and adult group (30 eyes of 30 patients, ≥18 years old). Success rate of surgery was determined by both subjective measure (complete resolution of epiphora) and objective measure (lacrimal passage irrigation and tear meniscus height). Fisher exact test was conducted.ResultsBy conducting Fisher exact test and comparing complete resolution of epiphora (P = 0.627), lacrimal passage irrigation (P = 0.663), measurement of Tear Meniscus Height (P = 0.561), and appearance of complication (P = 0.339), there was no statistically significant difference of surgical outcomes between pediatric and adult patients (P > 0.05).ConclusionHasner valve incision was effective for both adult and children with inferior nasolacrimal duct obstruction, with no difference in surgical outcomes between the two groups.

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