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What is In a patient, corneal scraping reveals narrow angled septate hyphae, which of the following is likely etiologic agent - and explain in detail?
Option a: Incorrect- Mucor has aseptate hyphae and not septate
Option b: Correct-Aspergillus causes fungal keratitis and has narrow angled septate branching hyphae
Option c: Incorrect- Histoplasma does not cause fungal keratitis
Option d: Incorrect- Candida characteristically shows budding yeast-like cell morphology and also does not cause fungal keratitis.