Dacryoendoscopic Examination of the Lacrimal System
Fig. 9.1 A dacryoendoscope Fig. 9.2 Closer view of the side port Fig. 9.3 Endoscopic viewing system Dacryoendoscopy can be performed in an anterograde or a retrograde manner. In the…
OPHTHALMOLOGY
Anatomy, Physiology, and Immunology of the Lacrimal System
Fig. 3.1 Anatomy of the lacrimal punctum and its surrounding tissues. This section is performed parallel to the tarsal plate (Masson’s trichrome stain) Anatomy of the Lacrimal Canaliculus The lacrimal…
Primary External Dacryocystorhinostomy
Fig. 17.1 Preoperative nasal packing Incision Though various incisions have been described, the authors prefer the commonly used curvilinear incision of about 10–12 mm in length, 3–4 mm from the…
The Sinonasal Anatomy: Endoscopic Lacrimal and Orbital Perspectives
Fig. 5.1 (a) Anterior nasal space, lateral nasal space, and ethmoid and frontal sinuses. The middle turbinate is removed. (cadaver, 89-year-old male). (b) Web-like structure seen from the inferior aspect….
Embryology of the Lacrimal Drainage System
and Hirohiko Kakizaki2 (1) Dacryology Service, L.V. Prasad Eye Institute, Banjara Hills, Hyderabad, 500034, India (2) Department of Ophthalmology, Aichi Medical University, Aichi, Japan Introduction The understanding of lacrimal embryology…
Imaging Modalities for Lacrimal Disorders
Fig. 10.1 Plain DCG in a trauma setting showing a right distal nasolacrimal duct obstruction (Photo courtesy: Gangadhar Sundar, Singapore) Digital Subtraction Dacryocystography (DS-DCG) DS-DCG was first described by Galloway…
Dacryocystectomy: Indications and Techniques
Fig. 34.1 Local infiltration anesthesia Fig. 34.2 Anterior ethmoidal nerve block Incision Though various incisions have been described, the author prefers the commonly used curvilinear incision of about 10–12 mm…
Dacryoendoscopic Guided Canalicular and Nasolacrimal Duct Recanalization
Fig. 32.1 Dacryoendoscope with rigid telescope and black eye piece Fig. 32.2 A closer view of side port Canalicular obstructions and NLDO are therapeutic challenges. Most of the lacrimal obstructions…
Setup for Nasal Endoscopy and Endoscopic Surgery
Fig. 7.1 Nasal endoscopes; from left to right 4-mm 0°, 4-mm 30°, and 2.7-mm 30°endoscopes Adjunct Equipment In addition to the selected endoscope, a good halogen or xenon light source…
Primary Endocanalicular Laser Dacryocystorhinostomy
Fig. 24.1 Schematic overview of ECLDCR (Photo courtesy: Josie Henson, Philippines) Patient Selection Proper screening tests should confirm the diagnosis of primary acquired NLDO. Only patients with chronic epiphora without…
