Tobranol Eye Drop is an antibiotic medication used to treat bacterial eye and eyelid infections, as well as prevent infections after injury or surgery. It stops bacteria growth and cures the underlying infection. It should be used regularly, at regular intervals, and not skipped. It is not effective for non-bacterial eye infections and should only be used if prescribed by a doctor. Common side effects include temporary eye irritation, burning sensation, itching, and redness.