Volume 3, Issue 1 (Spring 2000)
J Arak Uni Med Sci 2000, 3(1): 30-32 |
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Nikbin H, Falahati J, Karami A A. The Study of Frequency of Obstruction of Lacrimal Drainage System in Urban Society of Arak. J Arak Uni Med Sci 2000; 3 (1) :30-32
URL: http://jams.arakmu.ac.ir/article-1-6610-en.html
URL: http://jams.arakmu.ac.ir/article-1-6610-en.html
1- School of Medicine, Arak University of Medical Sciences, Arak, Iran.
Abstract: (1193 Views)
Tearing is the most important complaints in ophthalmologic patients that one of its reasons is obstruction of lacrimal drainage system. Lacrimal drainage system include superior and inferior punctums that are joined to common canalicule by the superior and inferior canalicule at the medial canthus. Common canalicule leads to lacrimal sac and lacrimal sac is connected by the Nasolacrimal duct to inferior meatus. The most common cause of obstruction is NLD obstruction that in children, it is caused by the failure of canalization of 4 N.L.D (Naso Lacromed ducat). The research has been conducted among 2500 people in Arak city by muitistage sampling. 26 people had lacrimal drainage system disorder. This disorder was observed among all ages but it was mostly among 0-9 and 60-69 age. 18 patients (69.23%) were female and 8 other ones (30.76%)m were male. 21 people (80.76%) had unilateral disorder and 5 (19.23%) patients had bilateral disorder. Among the patients who had unilateral disorder, 11 persons (52.38%) had right side disorder and 10 persons (47.61%) had left side disorder. None of the patients were asymptomatic and all of them had tearing. 22 persons (82%) had obstruction in common cunalicule and one person in punctum.
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