Punctal stenosis: definition, diagnosis, and treatment
نویسندگان
چکیده
Acquired punctal stenosis is a condition in which the external opening of the lacrimal canaliculus is narrowed or occluded. This condition is a rare cause of symptomatic epiphora, but its incidence may be higher in patients with chronic blepharitis, in those treated with various topical medications, including antihypertensive agents, and especially in patients treated with taxanes for cancer. The purpose of this review is to cover the medical literature, focusing in particular on definition, incidence, risk factors, etiology and treatment options.
منابع مشابه
Classification of Lacrimal Punctal Stenosis and Its Related Histopathological Feature in Patients with Epiphora
PURPOSE To evaluate the classification of punctal stenosis based on the shape of the external punctum, clinical characteristics and histopathologic features. METHODS Patients who experienced tearing and were diagnosed with punctal stenosis were evaluated in this study. Punctal stenosis was classified according to the shape of the lower external punctum, which included membranous type, slit ty...
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PURPOSE Retrospective evaluation of treatment of epiphora due to punctal stenosis with application of perforated plugs as well as evaluation of complications. MATERIAL AND METHOD There were inserted perforated plugs into inferior lacrimal puncta to twelve patients with epiphora due to proximal stenosis in efferent lacrimal ducts. Their size were predeterminated by caliper measuring. Patients ...
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Punctal stenosis is a frequent source of patients referral to the otoplasty clinic and the search for a procedure that can permanently eliminate epiphora without disturbing the normal lacrimal system anatomy and physiology started centuries ago and continues today. The following article summarizes the reported procedures in the English literature in the acquired punctal stenosis with a descript...
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Numerous designs of punctal and canalicular plugs are available on the market. This variety presents challenges to ophthalmologists when choosing punctal plugs for the management of various ocular conditions. The aim of this literature review is to provide a classification system for lacrimal occlusive devices based on their location and duration of action as well as to identify different chara...
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