This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Uveal tract, Subject name: Ophthalmology
Typical coloboma of iris occurs 
Select and explain. 
A. lnferotemporally, B. Superotemporally, C. Superonasally, D. lnferonasally
D: lnferonasally
Answer: D: lnferonasally 
Explanation: CONGENITAL COLOBOMA OF THE UVEAL TRACT Congenital coloboma (absence of tissue) of iris,ciliarybody and choroid may be seen in association or independently. Coloboma may be typical or atypical. Typical coloboma: is seen in the inferonasal quadrant and occurs due to defective closure of the embryonic fissure. Atypical coloboma: is occasionally found in other positions. Ref:- A K KHURANA; pg num:-137