Zaha eye drops are an antibiotic used to treat bacterial eye infections. This is a broad-spectrum antibiotic that is effective at killing a wide range of bacteria in adults and children. Zaha eye drops should be used in the dose and duration recommended by the doctor. It should be used regularly as prescribed by your doctor. Do not miss a dose and complete the entire treatment But you feel better Stopping the medicine too soon can cause the infection to return or get worse.