Editing Conjunctivitis (section)

=== Classification ===
Conjunctivitis may be classified either by cause or by extent of the inflamed area.{{citation needed|date=February 2023}}

==== Causes ====
* Allergy
* Bacteria
* Viruses
* Chemicals
* Autoimmune

Neonatal conjunctivitis is often grouped separately from bacterial conjunctivitis because it is caused by different bacteria than the more common cases of bacterial conjunctivitis.{{citation needed|date=February 2023}}<!-- Source? -->

==== By extent of involvement ====
Blepharoconjunctivitis is the dual combination of conjunctivitis with [[blepharitis]] (inflammation of the eyelids).{{citation needed|date=February 2023}}

[[Keratoconjunctivitis]] is the combination of conjunctivitis and [[keratitis]] ([[cornea]]l inflammation).{{citation needed|date=February 2023}}<!-- Two good bullet points, but try to find a source for them. -->

Blepharokeratoconjunctivitis is the combination of conjunctivitis with blepharitis and keratitis. It is clinically defined by changes of the lid margin, meibomian gland dysfunction, redness of the eye, conjunctival chemosis and inflammation of the cornea.<ref name="OGallagher">{{cite journal | vauthors = O'Gallagher M, Banteka M, Bunce C, Larkin F, Tuft S, Dahlmann-Noor A | title = Systemic treatment for blepharokeratoconjunctivitis in children | journal = The Cochrane Database of Systematic Reviews | volume = 2016 | issue = 5 | pages = CD011750 | date = May 2016 | pmid = 27236587 | pmc = 9257284 | doi = 10.1002/14651858.CD011750.pub2 }}</ref>