نتایج جستجو برای: nasolacrimal duct
تعداد نتایج: 34750 فیلتر نتایج به سال:
Impact of COVID 19 pandemic lockdown in pediatric ophthalmology service in Kedia eye hospital, Nepal
Purpose: The Objective of the study is to know and record effect lockdown in outpatient emergency services pediatric ophthalmology department Kedia Eye Hospital.Method: Comparison children attending Pediatric Department Hospital during before lockdown. Data February 16 2021 April 15 was compared with June 2021. Collection data done from Outpatients Emergency Register.Results: Children below yea...
The lacrimal drainage system consists of the puncta (upper and lower within the eyelids) which are the opening to the upper and lower canaliculus. These meet at the common canaliculus and open into the lacrimal (tear) sac. This runs parallel to the nose and is separated from the middle meatus of the nasal cavity by two thin plates of bone. It continues down to become the nasolacrimal duct (tear...
The lacrimal drainage system consists of the puncta (upper and lower within the eyelids) which are the opening to the upper and lower canaliculus. These meet at the common canaliculus and open into the lacrimal (tear) sac. This runs parallel to the nose and is separated from the middle meatus of the nasal cavity by two thin plates of bone. It continues down to become the nasolacrimal duct (tear...
A wide array of pathogenic factors has been associated with lacrimal drainage system obstruction including inflammatory conditions originating from the eye, conjunctiva, lacrimal mucosa, nose and paranasal sinuses; trauma; congenital abnormalities; radiotherapy and neoplasms. Inflammatory conditions initially cause lac-rimal mucosal swelling but may lead to fibrotic narrowing or obstruction of ...
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