ophthalmo-reaction

noun
oph·​thal·​mo-re·​ac·​tion | \ -rē-ˈak-shən How to pronounce ophthalmo-reaction (audio) \

Medical Definition of ophthalmo-reaction

: a serological diagnostic reaction in a test formerly used that involved placing a test antigen (as tuberculin) on the mucous membrane of the eye with infection being indicated by a positive response characterized by hyperemia, swelling, and lacrimation

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