This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Ophthalmology
[{'content': 'Acute corneal hydrops is seen in: September 2009 \nSelect and explain. \nA. Cornael dystrophy, B. Anterior staphyloma, C. Interstitial keaitis, D. Keratoconus', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. D: KeratoconusCorneal hydrops is an uncommon complication seen in patients with keratoconus.It is characterized by significant corneal edema resulting from a spontaneous rupture in Descemet's membrane.Clinical findings include dense stromal and epithelial edema with corneal protrusion, possible conjunctival hyperemia and irregular epithelium secondary to microcystic edema.The location and area of the involved cornea is variable", 'role': 'assistant'}]