Persistent inflammation and thickening of eyelid margin may indicate squamous cell, basal cell, or sebaceous cell carcinoma masquerading as “blepharitis”. These carcinomas may also mimic styes or chalazions.
Blepharitis
Eye Infections
Corneal ulceration
Corneal ulcers represent an infection of the cornea by bacteria, virus or fungi as a result of breakdown in the protective epithelial barrier. If left untreated, corneal ulcers can result in blindness. Ulcerations may be central or marginal.