murine irritation & redness relief eye drops provide fast acting long lasting relief for sore irritated & red eyes., clears redness soothes eyes fast acting & long lasting descriptionmurine irritation & redness relief eye drop solution (a pharmacy medicine) works fast to soothe red & irritated eyes so you can get on with your day. it contains the active ingredient naphazoline hydrochloride a local vasoconstrictor that causes temporary narrowing of blood vessels in the eye & therefore reduces swelling & redness. murine irritation & redness relief eye drops are ideal to be used upon eyes that have been irritated by dusty atmospheres wind swimming smoke air pollutants & close work such as reading & computer use.