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: Ophthalmology
A child with amblyopia is to be operated by 
Select and explain. 
A. < 5 years, B. 5-10 years, C. 10-15 years, D. 18 years
A: < 5 years
Answer: A: < 5 years 
Explanation: Amblyopia, also known as "lazy eye," occurs when the brain ors one eye and develops pathways to only one eye. The condition typically begins in infancy or early childhood. This may be corrected before the age of 5 years,through surgery.