<Tr> <Td> Circumcorneal </Td> <Td> Long ciliary nerves </Td> </Tr> <P> The conjunctiva consists of non-keratinized, both stratified squamous and stratified columnar epithelium, with interspersed goblet cells . The epithelial layer contains blood vessels, fibrous tissue, and lymphatic channels . Accessory lacrimal glands in the conjunctiva constantly produce the aqueous portion of tears . Additional cells present in the conjunctival epithelium include melanocytes, T and B cell lymphocytes . </P> <P> The conjunctiva helps lubricate the eye by producing mucus and tears, although a smaller volume of tears than the lacrimal gland . It also contributes to immune surveillance and helps to prevent the entrance of microbes into the eye . </P> <P> Disorders of the conjunctiva and cornea are a common source of eye complaints, in particular because the surface of the eye is exposed to various external influences and is especially susceptible to trauma, infections, chemical irritation, allergic reactions and dryness . </P>

What is the function of the conjunctiva in the eye
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