What is the Thinnest pa of neuro-retinal rim according to ISNT rule?
High-Yield 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