Sight or Vision: A Collective Effort
Sight or Vision: A Collective Effort
The Wall Street Journal recently published an article about a young man named Liam McCoy.1 Liam was born with albinism, a diagnosis characterized by lack of the pigment melanin in his hair, eyes, and skin. His eyes were overly sensitive to bright light, they moved involuntarily to the point that he was unable to make them look at any specific object, and he was extremely nearsighted. He could only see something in a field three inches from his nose and had a visual acuity of 20/2000. Though he had sight, his visual perception was extremely poor, and he learned to experience and understand his environment using cues that were different from those born with normal vision. (more…)