This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Inflammations of the Cornea, Subject name: Ophthalmology
[{'content': 'In which of the following corneal ulcers signs are more than symptoms: \nSelect and explain. \nA. Fungal corneal ulcer, B. Bacterial corneal ulcer, C. Viral corneal ulcer, D. Herpetic corneal ulcer', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. (a) Fungal corneal ulcerRef: A.K. Khurana 6th ed. H06, Khurana 4th ed./100* Fungal corneal ulcer aka fungal keratitis is most commonly caused by Aspergillus fusarium. Patient in this condition presents with history of trauma with vegetative matter.* Symptoms shown by patients here are milder than signs. Signs are dry looking, greyish white corneal ulcers with feather finger like extensions (due to hypae)Signs of Fungal Keratitis:* Satellite nodule (satellite lesion present around ulcer)* Large organized hypopion (non-sterile)* Immune ring of pessaryPredisposing factors- topical steroids, organic matter. Worst prognosis.Treatment: 5% natamycin or .2%fluconazole for 6-8 weeks.', 'role': 'assistant'}]