test. >> Stand right there. Right. >> Stand right here. Just really quick. Can you see this thing right here? You can. Got it. >> Do you uh have diabetes? >> No. >> Are you being treated Are you being treated for any other medical conditions like head injury or anything along those lines? >> No. What I'm going to have you do is stand with your feet together. Hands down by your side. >> Okay. >> I'm going to hold my finger out in front of your face. Okay. You're going to follow my finger with your eyes and your eyes only. >> Okay. So, just keep following my finger with your eyes only. Follow my finger. You're looking at me. Follow my finger. Eyes only. >> Can you follow my finger? Hey, keep following my finger. Eyes only.