<prompt> Which of the following is the drug of choice of treatment of corneal ulcers caused by filamentous fungi ?ItraconazoleNatamycinNystatinKetoconazole  <response>: Natamycine5,Amphotericin B0.1 to 0.3, and either fluconazole0.2 or miconazole10mgml or voriconazole are effective against Aspergillus and Fusarium.Reference:Comprehensive ophthalmology,AK Khurana,6th edition,page no.106 