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
In Cataract, spectacles are advised for the following a number of weeks after the operation – 
Select and explain. 
A. 6 weeks, B. 10 weeks, C. 12 weeks, D. 14 weeks
A: 6 weeks
Answer: A: 6 weeks 
Explanation: Refraction & prescription of glasses is done after 1-2 weeks in phacoemulsification and 6-8 weeks in extracapsular cataract extraction.