Allergic conjunctivitis history and symptoms: Difference between revisions
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==History and Symptoms== | ==History and Symptoms== | ||
===[[Clinical]] [[History]]=== | ===[[Clinical]] [[History]]=== | ||
[[Allergic]] [[conjunctivitis]] is frequently characterized by a personal history of [[allergies]] and/or [[atopy]] and occurrence of similar episodes in the past. [[Itchiness]] and diffuse [[bulbar]] and [[tarsal]] [[conjunctival]] [[injection]] are the most commonly reported [[symptoms]] and almost univerally present in all the subtypes. | |||
====SAC and PAC==== | |||
===[[Symptoms]]=== | ===[[Symptoms]]=== | ||
Revision as of 18:08, 28 August 2022
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
Overview
The symptoms are due to release of histamine and other active substances by mast cells, which stimulate dilation of blood vessels, irritate nerve endings and increase secretion of tears.
History and Symptoms
Clinical History
Allergic conjunctivitis is frequently characterized by a personal history of allergies and/or atopy and occurrence of similar episodes in the past. Itchiness and diffuse bulbar and tarsal conjunctival injection are the most commonly reported symptoms and almost univerally present in all the subtypes.