"I was really able to see for the first time what my patients saw," she said.
But many patients see the experiments as key to their survival.
If these patients see me they have to pay out of their pockets.
Three months after surgery, all but one patient could see better.
So now the same thing happens in which the patient cannot see the doctor that he has seen for years.
He often said: 'Hey, you doctors must have something else to do, some other patients to see.
So doctors and patients may see less need for an alternative.
Such patients, the researchers wrote, often see no connection between their current problems and events that may have happened years before.
But many patients who had spent most of their lives here saw the open gate as a threat.
"It's getting late and we still have several more patients to see."