How to Evaluate the Optic Nerve (in 3D!)

How to Evaluate the Optic Nerve (in 3D!)

Grading the optic nerve can be tricky.  The optic nerve can be shallow, deep, tilted, oblique, and much much more.  It’s not suprising that many studies show tremendous amount of interobserver variability when grading cup to disc ratios both in vivo and via...