A Medical Mystery Posed by Blurred Lanes – The New York Times
Our cross-country drive last winter from New York to Lake Tahoe was going to be eventful enough, with a pandemic, blizzards and the cancellation of salads at McDonald’s. But by Omaha, when the lanes on Interstate 80 seemed to be bouncing around before my very eyes, we entered unexpected territory.
“Are you practicing your slalom turns at 80 miles an hour?” my wife asked.
Road conditions were normal. Our S.U.V. had new tires. But the lanes often seemed to blur together. Sometimes the melding of lanes occurred late in the day, sometimes early. Sometimes in blinding sun, sometimes in fog. If I closed one eye, the lanes became separate again.
What was happening? I’d worn glasses for nearsightedness since fifth grade; I’d seen my eye doctor within the year; my prescription was current.
When w...