This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Rural & Urban Health Centres, Workers, Norms, Subject name: Social & Preventive Medicine
Most common operation done by an Ophthalmologist in district hospital: 
Select and explain. 
A. Phacoemulsification, B. Trabeculectomy, C. Bilateral lamellar tarsal rotation, D. Dacrocystorhinostomy
A: Phacoemulsification
Answer: A: Phacoemulsification 
Explanation: Most common Ophthalmologic services at District hospital: Cataract surgery with IOL implantation is the most common surgery at District hospital ECCE + IOL is most commonly followed by phacoemulsifaction.