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
Treatment of choice for congenital cataract is – 
Select and explain. 
A. Pharmacotherapy, B. Combined cataract surgery and Goniotomy, C. Cataract surgery with IOL implant and primary posterior capsulotomy, D. Pars plana lensectomy with no IOL implant
C: Cataract surgery with IOL implant and primary posterior capsulotomy
Answer: C: Cataract surgery with IOL implant and primary posterior capsulotomy 
Explanation: Extracapsular cataract extraction (ECCE) with primary posterior capsulectomy and anterior vitrectomy is the procedure of choice (via limbal or pars plana approach). This is done by phacoemulsification.
After cataractous lens extraction, the child is treated:-

i) If < 2 years old → Extended wear contact lenses.
ii) If > 2 years old → Posterior chamber IOL implantation.