What is Depth Perception and Why Do We Need It?
DEPTH PERCEPTION:an important aspect of normal, healthy vision; a result of good stereo vision; the ability to visually perceive depth and three dimensional space; the ability to visually judge relative distances between objects; a perceptual skill that aids accurate movement in three-dimensional space. You need depth perception because . . . According to the web site of the American Academy of Ophthalmology, August, 1996: “many occupations are not open to people who have good vision in one eye only [that means no stereo vision, no binocular depth perception]” Here are a few examples of occupations that depend heavily on stereo vision: • Baseball player • Waitress • Driver • Architect • Surgeon • Dentist The loss of binocular depth perception robs a person of more than just the possibility of being a professional baseball player or dentist The Stereo Vision Project asserts that the lack of binocular vision is a serious visual disability that deserves more attention. Loss of binocular v