1. Deep mucous: from conjunctival goblet cells, adheres tears to the conjunctiva
1. Deep mucous: from conjunctival goblet cells, adheres tears to the conjunctiva
−
2. Middle aqueous: from main and third eyelid lacrimal glands; it cleanses, oxygenates and fills optimal defects; it contains IgA (immunoglobulin A)
+
2. Middle aqueous: from main and third eyelid lacrimal glands; it cleanses, oxygenates and fills optimal defects; it contains [[IgA]] (immunoglobulin A)