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ocular decongestant |
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decongestant, ocular A pharmaceutical agent used to reduce hyperaemia in the eye, usually by vasoconstriction. Decongestants are weak concentrations of sympathomimetic or alpha-adrenergic agonists. Examples: adrenaline (epinephrine); naphazoline hydrochloride; phenylephrine hydrochloride, tetrahydrozoline hydrochloride. A decongestant can also be used to differentiate between conjunctival and ciliary injection; if the instillation of a decongestant alleviates eye redness the injection is primarily conjunctival, otherwise the redness is of ciliary origin. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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