Zoline-Plus Eye Drops is a prescription medicine used to treat allergic diseases of the eye. It relieves redness and swelling of the eye and provides temporary relief from burning and discomfort. Zoline-Plus Eye Drops is to be used only in the affected eye. Wash your hands before using this medicine. It is advised to check the label for directions before use. Use it in the exact dose and duration as prescribed by your doctor. Do not use more or for a longer duration than prescribed by your doctor.