This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Miscellaneous, Subject name: Social & Preventive Medicine
[{'content': 'Example of disability limitation: \nSelect and explain. \nA. DOTS, B. Quit smoking, C. BCG vaccine, D. Spectacles for refractory error', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ans. (d) Spectacles for refractory errorDISABILITY LIMITATION* Tertiary level of prevention when patient reports late in Pathogenesis phase* Prevent transition if disease from impairment to handicap* Spectacles in refractive error stabilizes visual acuity (Disability limitation) and provides visual clarity (Rehabilitation) too', 'role': 'assistant'}]