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Related Experiment Video

Updated: Jul 6, 2026

Nasolacrimal Lavage as a Treatment for Ocular Surface Toxic Soup Syndrome

Nasolacrimal Lavage as a Treatment for Ocular Surface Toxic Soup Syndrome

Published on: April 25, 2025

[Basic diagnostics of tear duct diseases].

M Förl¹, H Busse

¹Universitäts-Augenklinik Bonn, Ernst-Abbe-Strasse 2, 53127 Bonn, Deutschland. michael.foerl@ukb.uni-bonn.de

Der Ophthalmologe : Zeitschrift Der Deutschen Ophthalmologischen Gesellschaft

|April 1, 2008

Summary

Tearing is caused by epiphora (tear drainage failure) or excess lacrimation (reflex hypersecretion). Basic examination distinguishes between these, guiding diagnosis and treatment for watery eyes.

Area of Science:

Ophthalmology
Anatomy
Physiology

Context:

Tear production and drainage are crucial for ocular health.
Abnormal tearing, or epiphora, significantly impacts patient quality of life.
Understanding the mechanisms of epiphora is essential for effective diagnosis.

Purpose:

To differentiate between epiphora and reflex hypersecretion as causes of tearing.
To outline the fundamental diagnostic steps for evaluating epiphora.
To review key diagnostic tests for lacrimal drainage system assessment.

Summary:

Epiphora results from impaired tear drainage due to mechanical obstruction or lacrimal pump dysfunction.
Excess lacrimation involves increased tear production via reflex hypersecretion.

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Clinical history, palpation, inspection, probing, and syringing are primary diagnostic tools for epiphora.

Impact:

Accurate differentiation between epiphora and hypersecretion enables targeted treatment strategies.
Efficient diagnostic evaluation of the lacrimal drainage system is facilitated.
Improved management of watery eye conditions through precise diagnosis.