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: Anaesthesia
[{'content': 'Sclera buckling is used for treatment of ? \nSelect and explain. \nA. Cataract, B. Scleritis, C. Retinal detachment, D. Vitreous hemorrhage', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., Retinal detachment Treatment of retinal detachment Retinal detachment surgery consists of three components : sealing retinal tears, reducing the vitreous traction on the retina and flattening of retina. It is impoant to find all retinal tears (holes) and seal them by laser photocoagulation, diathermy or cryoapplication. Scleral buckeling or external plombage or encirclage is a procedure to push the wall of sclera inwards to close the tear, reduce the traction and flatten the retina. Drainage of subretinal fluid helps to flatten the retina against the sclera. Intravitreal surgery (vitrectomy and gas injection) may also be employed.", 'role': 'assistant'}]