The new report concerns Dr. Ian Crozier, a 43-year-old American physician diagnosed with Ebola in September while working with the World Health Organization in Sierra Leone. He was treated at Emory University Hospital's special Ebola unit in Atlanta and released in October when Ebola was no longer detected in his blood. Two months later, he developed an inflammation and very high blood pressure in one eye, which causes swelling and potentially serious vision problems. He returned to Emory, where ophthalmologist Dr. Steven Yeh drained some of the fluid and had it tested for Ebola. It contained the virus but tears...