Brand name: Visine-A, Naphcon-A
Naphazoline is a medicine to relieve red, itchy eyes (short-term) associated with by allergy to ragweed, dander, pollen, animal hair, or grass.
It refers to anticholinergics and decongestants. The antihistamine blocks histamine effects, which cause allergy symptoms like watery/itchy eyes and sneezing. The decongestant decreases eye redness and narrows blood vessels.