Frank Bruni

One morning in late 2017, New York Times columnist Frank Bruni woke up with strangely blurred vision. He wondered at first if some goo or gunk had worked its way into his right eye. But this was no fleeting annoyance, no fixable inconvenience. Overnight, a rare stroke had cut off blood to one of his optic nerves, rendering him functionally blind in that eye—forever. And he soon learned from doctors that the same disorder could ravage his left eye,...