Meibomian Cyst Cat. Health navigator says these are usually caused by blocked oil glands, and they are not due to infection. They are usually caused by blocked oil glands.

Squamous cell carcinoma (scc) is the most frequent type of eyelid tumor in the cat. Squinting eye discharge protrusion of the third eyelid roughening/thickening of the conjunctiva A meibomian cyst (also known as a chalazion) is a sterile, chronic, inflammatory granuloma of the eyelid caused by a foreign body reaction to sebum within a meibomian gland.