NIH researchers supercharge ordinary clinical device to get a better look at the back of the eye

If you are anything like me, when I hear of a patient on their way into the office complaining of sudden onset of double vision, I get a little worried! I was never good at remembering all of the cranial nerve palsies, signs, symptoms, diagnoses, and causes.But what I do remember is how easy the Parks 3-step test is in helping isolate the paretic muscle in cases of an acquired hypertropia. Here is