John Matthews loves to hunt turkeys and travel to foreign places like Mexico. During one of those adventures, something crawled inside his body. “It’s so small, you couldn’t even see it, feel it,” Matthews said. When two dark spots appeared in his vision and his eyesight became a little hazy, he headed to the doctor. “It was kind of like looking through a muddy lens,” he said. Doctors struggled to diagnose what was wrong with John’s left eye. Then, Dr. James Folk at the University of Iowa Hospitals and Clinics found the problem. “Just by luck, the first picture we...
