This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Levels of Prevention of Disease, Subject name: Social & Preventive Medicine
Example of disability limitation:- 
Select and explain. 
A. DOTS, B. Quit smoking, C. BCG vaccine, D. Spectacles for refractory errors
D: Spectacles for refractory errors
Answer: D: Spectacles for refractory errors 
Explanation: Disability Limitation:- Teiary level of prevention when patient repos late in pathogenesis phase. Prevent transition of disease from impairment to handicap. Spectacles in refractive error stabilizes visual acuity (Disability limitation) and provides visual clarity (Rehabilitation) too.