This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Cataract, Subject name: Ophthalmology
[{'content': 'Most common visually debilitating cataract in children: \nSelect and explain. \nA. Blue dot cataract, B. Zonular cataract, C. Anterior polar cataract, D. Posterior polar cataract', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Zonular cataract is most debilitating cataract in children. Types of congenital cataract Punctate: Blue Dot Cataract (Asymptomatic). Sutural cataract : Y suture opaque, nuclear cataract. Zonular cataract/Lamellar Most Common visually significant cataract (riders). Fusiform Nuclear Coronary Anterior polar Lamellar Cataract With Rider Blue dot cataract Anterior polar cataract Posterior polar cataract', 'role': 'assistant'}]