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KMID : 1094020160330040228
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Journal of Veterinary Clinics
2016 Volume.33 No. 4 p.228 ~ p.230
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Congenital Anomalies of Lower Lacrimal Puncta and Nasolacrimal Duct Atresia in a Labrador Retriever Dog
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Park Eun-Jin
Kang Seon-Mi
Park Sang-Wan
Kwak Ji-Yoon
Lim Jae-Gook
Nam Taek-Jin
Jeong Seo-Woo
Seo Kang-Moon
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Abstract
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An 1-year-old, spayed, female Labrador Retriever was presented for bilateral epiphora. A completeophthalmic examination was conducted, including Schirmer tear test, rebound tonometry, fluorescein staining, slit lampbiomicroscopy, and binocular indirect ophthalmoscopy. To determine the patency of the nasolacrimal duct system, anasolacrimal flush and dacryocystorhinography were also performed. Although the nasolacrimal flush showed patencyin the upper and lower lacrimal puncta in both eyes (OU), the lower lacrimal puncta were not found in the originalpalpebral conjunctiva, but on medial canthal skin with very small opening. Moreover, the nasolacrimal ducts in OUwere not patent with flushing. Bilateral nasolacrimal duct atresia was confirmed by dacryocystorhinography. No otherabnormalities of the eyes were found on complete ophthalmic examinations. Bilateral congenital anomalies of the lowerlacrimal puncta and nasolacrimal duct atresia were diagnosed in this dog.
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KEYWORD
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nasolacrimal duct atresia, micropuncta, ectopic puncta, dacryocystorhinography, dog
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