Inflammation of both the eyelids and the thin clear moist membrane that coats the inner surfaces of the eyelids and the outer surface of the eye.

The section of the conjunctiva that coats the inner aspect of the eyelids is called the palpebral conjunctiva while that covering the outer surface of the eye is called the ocular conjunctiva or bulbar conjunctiva.

An obsolete term for a conjunctivitis associated with chronic inflammation of the meibomian glands: Mrs. Hathaway suffered from seborrheic blepharoconjunctivitis, which could characterize her eyes as having swollen tarsal plates and frothy seborrheic secretion.