<prompt> Microscopy of corneal ulcer showed branching septate hyphae. The probable diagnosisCandidaMucor mycosisAspergillusHistoplasma  <response>: Amongst the given options candida and aspergillus cause a corneal ulcer.Branched septate hyphae and involvement of cornea favour the diagnosis of aspergillus.Candia will show yeast-like form and psedomycelia not branched septate hyphae. 