Allergic conjunctivitis differential diagnosis

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Overview

↑ ^1.0 ^1.1 Rietveld RP, ter Riet G, Bindels PJ, Sloos JH, van Weert HC (2004). "Predicting bacterial cause in infectious conjunctivitis: cohort study on informativeness of combinations of signs and symptoms". BMJ. 329 (7459): 206–10. doi:10.1136/bmj.38128.631319.AE. PMC 487734. PMID 15201195.
↑ Azari AA, Barney NP (2013). "Conjunctivitis: a systematic review of diagnosis and treatment". JAMA. 310 (16): 1721–9. doi:10.1001/jama.2013.280318. PMC 4049531. PMID 24150468.
↑ Mahmood AR, Narang AT (2008). "Diagnosis and management of the acute red eye". Emerg Med Clin North Am. 26 (1): 35–55, vi. doi:10.1016/j.emc.2007.10.002. PMID 18249256.
↑ Elnifro EM, Cooper RJ, Klapper PE, Yeo AC, Tullo AB (2000). "Multiplex polymerase chain reaction for diagnosis of viral and chlamydial keratoconjunctivitis". Invest Ophthalmol Vis Sci. 41 (7): 1818–22. PMID 10845603.
↑ ^5.0 ^5.1 ^5.2 Patel SJ, Lundy DC (2002). "Ocular manifestations of autoimmune disease". Am Fam Physician. 66 (6): 991–8. PMID 12358224.

Differential diagnosis of allergic conjunctivitis
Diseases	Clinical manifestations	Para-clinical findings	Gold standard	Additional findings
Bacterial conjunctivitis	Bilateral matting of the eyelids in the morning, Mucopurulent discharge, conjunctival hyperemia, no previous history of conjunctivitis^[1]	-	Conjunctival cultures	Itching , burning, serous or no discharge^[1]
Viral conjunctivitis	Thin, watery discharge with intensely hyperemic response^[2], periauricular lymphadenopathy^[3]	-	Viral cell cultures, PCR for viral DNA detection^[4]	-
Autoimmune eye disease	Dry or red eyes, foreign-body sensation, pruritus, photophobia^[5]	Abnormal Schirmer's test, deranged visual acuity, proptosis, exposure keratitis^[5]	Autoimmune panel of blood	Pain, visual changes, complete loss of vision^[5]
Acne rosacea	Minor irritation, gritty sensation, dryness, blurry vision, blepharitis and conjunctivitis		Lid margin and conjunctival telangiectasias, eyelid thickening, eyelid crusts and scales, chalazion, hordeolum, punctate epithelial erosions, corneal infiltrates, corneal ulcers, corneal scars, and vascularization