It contains naphazoline as active ingredient, with decongestive action (it produces vasoconstriction or narrowing of the visible blood vessels of the eye)
Centilux is indicated for: Temporary relief of congestion, redness and mild irritation in the eyes of irritative and/or allergic origin, caused by external agents such as: tobacco smoke, dust, pollution, dry or loaded environments, sunlight, chlorinated or sea water, reading or work requiring prolonged fixation of sight.