Causes
Allergies, bacterial infections, parasites (Demodex), immune-mediated diseases, blockage of the eyelid glands.
Diagnosis
Examination of the eyelids plus a search for the underlying cause (cytology, ruling out allergy or Demodex).
Treatment
Gentle cleaning of the eyelids, topical treatment, and above all treating the underlying cause.
Prevention
Eye hygiene, and treating allergies and parasites promptly.

