

When a driver notices something important, the driver moves his or her head and eyes to look at the object or event of interest. This kind of information includes road signs, appearances of hazards, and changes in the flow of traffic. Peripheral vision is used in part to detect information that may be important for safe driving.

If your peripheral vision is severely limited, it can seriously affect safe driving ability unless it is compensated for by increased scanning and visual search. You can see things most clearly directly ahead while things to each side (your peripheral vision), are less distinct. Peripheral or side vision is the field of view that surrounds the central portion of the visual field.

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