This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Glaucoma, Subject name: Ophthalmology
[{'content': 'Angle recession glaucoma occurs in \nSelect and explain. \nA. Concussion injury of the globe, B. Extraction of the cataract, C. Gonioctomy, D. Intraocular tumours', 'role': 'user'}, {'content': 'Answer: A \nExplanation: A. i.e. (Concussion injury in the globe) (235 - Khurana 4th) (290 - Parson 20th)Angie - recession (cleavage) glaucoma - due to disruption of trabecular mesh work followed by fibrosis - seen in Traumatic glaucoma (Perforating as well as blunt injuries)(i) Symptom - Diminuation of vision(ii) Anterior segment - Mydriasis, tears of the iris sphincter, iridodialysis(iii) Gonioscopy - anterior recession >180deg(iv) Intraocular pressure - Moderate to high(v) Optic nerve head - Granulomatous cupping if chronic(vi) Treatment - Medical and surgery* Intractable secondary glaucoma is seen in - Diffuse iris melanoma**', 'role': 'assistant'}]