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. 2023 Jun;37(3):245-254.
doi: 10.3341/kjo.2023.0014. Epub 2023 Apr 17.

Clinical Implication of Dacryoendoscopy in the Patients with Tearing: A Systematic Review

Yuri Kim  1 , Jeong Yoon Park  1 , Helen Lew  1
Affiliations

Clinical Implication of Dacryoendoscopy in the Patients with Tearing: A Systematic Review

Yuri Kim et al. Korean J Ophthalmol. 2023 Jun.

Abstract

Purpose: A systematic review of the literature on diagnostic and therapeutic indications, techniques, and complications of dacryoendoscopy (DE) was performed.

Methods: The authors performed a PubMed search of articles published in English on DE. Data were collected and classified according to the categories of the disease. The clinical outcomes and limitations were particularly analyzed.

Results: The lacrimal drainage system from the canaliculus to the inferior meatus could be examined based on the specific anatomical features by DE. The canalicular mucosa is smooth and brightly colored, the lacrimal sac shows covering mucosa with good vascularization and the nasolacrimal duct is lined with bright tubular mucosal folds. DE allows direct visualization of the detailed internal condition of the lacrimal disorders, to directly diagnose the site of obstruction with accuracy and address the causes and recanalize the lacrimal drainage system using assisted micro lacrimal surgical instruments in the tearing patients.

Conclusions: Better visualization of the lacrimal canal with DE improves the understanding of physiology and precise identification of the obstructing lesions, both of which are the key to a comprehensive management for the tearing patients.

Keywords: Dacryocystorhinostomy; Dacryoendoscopy; Lacrimal drainage system; Silicone intubation; Tearing.

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Conflict of interest statement

Conflicts of Interest: Helen Lew is a member of the Editorial Board of the Korean Journal of Ophthalmology since 2015. However, she was not involved in the peer reviewer selection, evaluation, or decision process of this article. No other potential conflicts of interest relevant to this article were reported.

Figures

Fig. 1
Fig. 1
Various types of dacryoendoscopy. (A,B) Semirigid endoscope (Modular Salivascope, PolyDiagnost) was applied with endoscopic blunt cannula as a probe with lumen in the past, but it is combined with polyshaft and handle with three ports for working channel and irrigation channel. (C,D) Flexible endoscopy system (PolyDiagnost) consists of the flexible optic scope and modified probe or modular catheter with working channels. (E) Rigid RUIDO fiberscope (MD10, Fibertech) was introduced as a bent shaped dacryoendoscope. (F) Microendoscope (Miniature Telescope 0 Degree, Karl Storz) is used as a shaft containing miniaturized fiber optics, irrigation and interventional channel.
Fig. 2
Fig. 2
Clinical indications of dacryoendoscopy.
See this image and copyright information in PMC

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