This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Lens, Subject name: Ophthalmology
Most common cataract in new born is- 
Select and explain. 
A. Zonular, B. Morganian, C. Anti. Polar, D. Post. Polar
D: Post. Polar
Answer: D: Post. Polar 
Explanation: Most common type of congenital cataract -punctate(blue dot) cataract. Most common type of cataract which is clinically (visually) significant -zonular or lamellar cataract. Ref: Parson's 22nd/e p.270&21st/e p.265.