Medial Canthus (Inner Corner / Nasal Canthus)
The medial canthus is the inner corner of your eye, closest to your nose. This area contains the tear drainage system (lacrimal puncta) that removes tears from your eye and sends them down through tear ducts to your nose. When tear ducts get blocked, it can cause tearing and irritation.
Visual Guide
Medial Canthus (Inner Corner / Nasal Canthus)
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Structure & Components
- Tear drainage location
- Red appearance at eye corner
- Tearing or discharge when blocked
- Important function for eye health (4)
- Important function for eye health (5)
Functions & Physiology
- Normal eye anatomy
- Blocked tear ducts (dacryostenosis)
- Infection
- Allergies
- Natural cause (5)
Key Points
- Warm compresses to clear tear ducts
- Tear duct irrigation if blocked
- Antibiotic drops for infection
- Allergy management
- Saline rinse for clogged ducts
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