This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Ophthalmology
What is the Thinnest pa of neuro-retinal rim according to ISNT rule? 
Select and explain. 
A. Inferior, B. Superficial, C. Temporal, D. Medial
C: Temporal
Answer: C: Temporal 
Explanation: The ISNT rule is an easy way to remember how the optic nerve is supposed to look in a normal eye. Normally the neuro-retinal rim is thickest Inferiorly and thinnest Temporally. With glaucoma, however, you begin to see veical thinning, with atrophy along the inferior and superior rims REF : AK KHURANA 7TH ED