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Chapter-52 Lacrimal Surgery

BOOK TITLE: Surgical Techniques in Ophthalmology (Pediatric Ophthalmic Surgery)

Author
1. Honavar Santosh G
2. Murthy Ramesh
ISBN
9789350251485
DOI
10.5005/jp/books/11282_52
Edition
1/e
Publishing Year
2011
Pages
-293
Author Affiliations
1. LV Prasad Eye Institute, LV Prasad Marg,Banjara Hills, Hyderabad, India, Ocular Oncology Service, Centre for Sight, Hyderabad, Telangana, India, Ocular Oncology Service, Centre for Sight, Hyderabad, Telangana, India, National Retinoblastoma Foundation; Centre for Sight, Hyderabad, Telangana, India, Centre for Sight Superspecialty, Eye Hospital, Hyderabad, Telangana, India, LV Prasad Eye Institute, Hyderabad, Andhra Pradesh, India, Centre for Sight, Hyderabad, Telangana, India, Centre for Sight Superspeciality Eye Hospital, Hyderabad, Andhra Pradesh, India, Super Specialty Hospital Center for Sight, Hyderabad, Andhra Pradesh, India, Medical Services, CFS Group; Ophthalmic and Facial Plastic Surgery and Ocular Oncology, Center for Sight, Hyderabad, Andhra Pradesh, India, Oculoplasty and Ocular Oncology LV Prasad Eye Institute, LV Prasad Marg, Hyderabad, Andhra Pradesh, India, LV Prasad Eye Institute, LV Prasad Marg, Banjara Hills, Hyderabad, Andhra Pradesh, India, LV Prasad Eye Institute, Hyderabad, LV Prasad E
2. LV Prasad Eye Institute, LV Prasad Marg, Banjara Hills, Hyderabad, India, LV Prasad Eye Institute, Hyderabad, LV Prasad Eye Institute, Hyderabad, India, LV Prasad Eye Institute, LV Prasad Marg, Banjara Hills, Hyderabad, Andhra Pradesh, India, LV Prasad Eye Institute, LV Prasad Marg, Hyderabad, Andhra Pradesh, India, Axis Eye Foundation, Panjagutta, Hyderabad, Andhra Pradesh, India, Axis Eye Clinic; Paud Road, Pune, Maharashtra, India
Chapter keywords

Abstract

It is important to distinguish between true epiphora and pseudo epiphora, the former being a result of blockage of the lacrimal passage. The evaluation in all cases includes a good history, examination under illumination and examination of the ocular surface. Soft stops indicate a blockage of the canalicular system; hard stop indicates a block which is usually in the nasolacrimal duct. Contrast dacryocystography, fluorescein dye disappearance test, probing and syringing are used for diagnostic purpose. Surgery is performed, if it fails then dacryocystorhinostomy (DCR) is indicated when there is nasolacrimal duct obstruction due to any cause due to a bony obstruction. Endoscopic DCR can be both mechanical and laser assisted. Mechanical endonasal DCR needs a thorough understanding of the nasal anatomy. Laser assisted endoscopic DCR can be transcanalicular or transnasal.

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