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| ==Differential Diagnosis== | | ==Differential Diagnosis== |
| |+ Differential diagnosis of [[allergic]] [[conjunctivitis]]
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| ! Diseases !! Clinical manifestations !! Para-clinical findings !! Gold standard !! Additional findings
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| | [[Bacterial]] [[conjunctivitis]] ||Bilateral [[matting]] of the [[eyelids]] in the morning, [[Mucopurulent]] [[discharge]], [[conjunctival]] [[hyperemia]], no previous history of [[conjunctivitis]] ||Normal [[visual]] [[acuity]]; [[corneal]] involvement may be detected by a [[slit-lamp]] examination [[otoscopy]] may detect concurrent [[otitis]] [[media]] in children with [[ear]] [[symptoms]]||[[Conjunctival]] [[cultures]] || [[Itching]] , [[burning]], [[serous]] or no [[discharge]]
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| | [[Viral]] [[conjunctivitis]] || Thin, watery [[discharge]] with intensely [[hyperemic]] response || Significant only in cases of suspected [[chlamydia]] or [[gonorrhoea]], [[immunocompromise]] or excess [[ocular]] [[discharge]] || [[Viral]] [[cell]] [[cultures]], [[PCR]] for [[viral]] [[DNA]] detection|| [[Fever]], [[malaise]], [[fatigue]], [[symblepharon]], [[conjunctival]] [[follicles]] and [[papillae]]
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| | [[Autoimmune]] [[eye]] [[disease]] || Dry or red [[eyes]], [[foreign-body]] sensation, [[pruritus]], [[photophobia]] || Abnormal [[Schirmer's]] test, deranged [[visual]] [[acuity]], [[proptosis]], [[exposure keratitis]]|| [[Autoimmune]] panel of [[blood]] || [[Pain]], [[visual]] changes, complete loss of [[vision]]
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| | [[Acne]] [[rosacea]] ||Minor irritation, gritty sensation, dryness, blurry vision, [[blepharitis]] and [[conjunctivitis]] ||Magnifying glass or a [[microscopic]] slide for [[blanching]] [[skin]], [[dermatoscopy]] for [[skin]] [[telangiectasia]] || [[Skin]] [[biopsy]] ||[[Lid]] margin and [[conjunctival]] [[telangiectasias]], [[eyelid]] thickening, [[eyelid]] crusts and scales, [[chalazion]], [[hordeolum]], punctate [[epithelial]] erosions, [[corneal]] infiltrates, [[corneal]] [[ulcers]], [[corneal]] scars, and [[vascularization]]
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| ==References== | | ==References== |
