Strabismus, commonly called crossed eyes, occurs when both eyes do not look at the same place at the same time. The condition typically develops in people who have poor eye muscle control (due to a neuromuscular condition) or are very farsighted. An estimated 4 percent of the U.S. population has the condition, which usually develops… Continue reading What Is Strabismus (Crossed Eyes)? Symptoms, Causes, Diagnosis, Treatment, and Prevention