"This Alice," he forced through clenched teeth, "will not get close enough to touch me."
For a seemingly long moment only his regular breathing could be heard. Then, in a much calmer tone he said: "I requested your assistance. Not any other medic, be they blind or not."
Against a large number of ingrained instinct, he began to pace around the doctor. Around and around, his steps as slow and regular as his breath.
"You will not be able to put me under anaesthesia, doctor. My body has the habit of not accepting such medications."
That, of course, was not the complete truth. In Vader's mind there was no reason to confront a healer with such useless information as a tendency for violent nightmares when under medical treatment. She would just have to accept what every other surgeon in the Empire had drilled into their head upon entering the military. After all, one just does not medicate Darth Vader; it gets very unhealthy for the prescriptor.