Corneal ulcers can be caused by many organisms like bacteria, viruses or fungi. It's not necessary that your corneal ulcer will be caused by the same organism. Corneal ulcer is a serious issue and you need to see an ophthalmologist especially a cornea specialist as early as possible. I hope, you understand. The name of the drop I think is Zymar though. It is an anti-bacterial drop. Thanks and best wishes.
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