<prompt> Which of the following is the drug of choice of treatment of corneal ulcers caused by filamentous fungi?ItraconazoleNatamycinNystatinFluconazole  <response>: The drug of choice for filamentous infections is natamycin and amphotericin B 0.15 is the drug of choice for candida. ___ Atals of clinical ophthalmologyPolyene antifungals, natamycin 5 and amphotericin B 0.15-0.25 are the most commonly used drugs. ___ Ocular therapeuticsTreatment by means of local natamycin and amphotericin B drops, and miconazole ointment, these are effective against Aspergillus and fusarium filamentous fungi. 