Microscopy of corneal ulcer showed branching septate hyphae. The probable diagnosis -
Filamentous fungi eg.Aspergillus,fusarium,Alternaria,Cephalosporium,Curvularia and Pencillium are septate multicellular fungi.Mucor and rhizopus are non-septate fungi.Reference:Comprehensive ophthalmology,AK Khurana,6th edition,page no.106
Candida
Mucor mycosis
Aspergillus
Histoplasma
Cornea and sclera