What is Opcon-a?

Naphcon-A is a brand of eye drops produced by Alcon Laboratories, Inc., a pharmaceutical products company based in Fort Worth, Texas. It is said to relieve the symptoms of itchy red eyes.

The two active ingredients in Naphcon-A are naphazoline hydrochloride (0.025%), a vasoconstrictor to eliminate redness of the eyes, and pheniramine maleate (0.3%), an antihistamine to stop itching. It also contains benzalkonium chloride (0.01%) as a preservative.