Anatomy of the Eye Topic Guide
Anatomy and Physiology of the Eye: Even though the eye is small, only about 1 inch in diameter, it serves a very important function -- the sense of sight. Vision is by far the most used of the five senses and is one of the primary means that we use to gather information from our surroundings.
Foreign Body, Eye A foreign body in the eye can range from nothing serious to a serious condition that requires immediate treatment. A foreign body in the eye may cause burning, irritation, tearing, and redness. Treatment depends on the extent of the eye injury.