Patanol is a prescription eye drop solution containing 0.1% olopatadine hydrochloride, manufactured by Alcon. This 5ml solution is specifically formulated to treat allergy-related eye symptoms such as itching, redness, and inflammation. Patanol eye drops come in a sterile 5ml bottle with a controlled dropper tip for precise application. The active ingredient olopatadine works as an antihistamine to provide relief from allergy symptoms affecting the eyes. This medication should be used only as prescribed by a healthcare professional.