Titlebook: Endoscopic Surgery of the Lacrimal Drainage System; Livio Presutti,Francesco Mattioli Book 2016 Springer International Publishing Switzerl

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Endoscopic Dacryocystorhinostomy,Dacryocystorhinostomy (DCR) is the procedure of choice for nasolacrimal duct obstruction and chronic dacryostenosis in the setting of patent canaliculi and a functional lacrimal pump.

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Pediatric Pathologies and Indication for Surgery,Nasolacrimal duct obstruction is the most common cause of persistent tearing and ocular discharge in children. The incidence of this disorder is higher in subjects who have craniofacial disorder and Down syndrome.

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https://doi.org/10.1007/978-3-319-49710-5t of patients who present to an ophthalmology or otolaryngology clinic and becomes more common in an aging population. The reasons of watery eye are several, and much attention has been focused on the pathological processes that can lead to problematic epiphora [1–5].

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Physiology of the Lacrimal Drainage System,d defense of the cornea. This function is performed by the lacrimal production system and the lacrimal drainage system, which inevitably operates synergistically with the glandular and muscular systems of the eyelid (Fig. 2.1).

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Lacrimal Drainage System Diseases,usly influence this balance. Tear production in excess of loss directly causes tearing, whereas tear loss in excess of production stimulates reflexive tear production, which may also lead to epiphora [1].

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Epiphora and Indications to Surgery,t of patients who present to an ophthalmology or otolaryngology clinic and becomes more common in an aging population. The reasons of watery eye are several, and much attention has been focused on the pathological processes that can lead to problematic epiphora [1–5].

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