<prompt> Which of the following fungal infection is a leading cause of corneal ulcer?TrichophytonAspergillusMucorSprothrix  <response>: Ref: Microbiology by Ananthanarayan and Paniker, 8th ed. pg. 613, 659-60 Fungal infections of the cornea are secondary to injury, bacterial infection and treatment with antibacterial agents and steroids. LASIK and agricultural occupation predispose too. Occur most often in hot climates. Aspergillus and Fusarium are the most common isolates in fungal keratitis worldwide. 