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.. The most common side effects include irritation, pain, and stinging sensation at the site of application. It may also cause blurred vision and photophobia. If these side effects persist for a longer duration, inform your doctor. In case of accidental contact with your ears, nose, or mouth, immediately rinse it with water. Inform your doctor if you have a known allergy to any of the ingredients in this medicine or if you are taking any other medication. It is advised not to drive or operate heavy machinery immediately after using this medicine as it may cause temporary blurring of vision and may affect your ability to drive.