👓 Corneal dellen (or dellen) refers to a localized thinning or depression in the peripheral cornea.
- Causes: Often due to localized dehydration or inflammation, sometimes related to:
- Contact lens use
- Surgery or trauma
- Adjacent lesions (e.g., pterygium)
- Symptoms: May cause discomfort, irritation, or blurred vision.
- Management: Often resolves with lubrication, discontinuing contact lens use, or treating underlying causes.