The integrated unit (of the eye) that consists of the conjunctiva, the corneal surface, and the ocular mucosal adnexa including the lid margins and the meibomian gland openings, the lacrimal glands and the lacrimal drainage system, all which are critical to maintain ocular surface integrity and provide protection from external antigens and pathogenic microorganisms. [ MP:0013754 ]

Synonyms: eye surface region ocular surface eye surface

This is just here as a test because I lose it