don't take any drugs that may make you drowsy, even the night before you start your trip.To keep from getting tired on a long trip: If you don't, you risk your life and the lives of others. If you are tired, the only safe cure is to get off the road and get some sleep. Therefore, you increase your chances of being in a collision if you are tired or fatigued. You may not see hazards early enough, or react as quickly. The body naturally wants to sleep at night and most drivers are less alert at night, especially after midnight. keep at least one window open so you can better hear outside noisesĮxcept for drivers of certain types of special equipment and law enforcement, a person must not wear a headset or earplugs that cover both ears while driving.keep the volume of your vehicle's audio system low, and.To hear properly while driving a vehicle you should: It is important to have your hearing checked periodically by a doctor because often changes in hearing occur so slowly that people do not notice them. A person with a hearing impairment or total deafness can also compensate by learning to rely more on vision, such as increasing the degree to which they visually scan their environment.Īuditory acuity deteriorates with age. Your hearing can warn you of dangers, such as the presence of vehicles in your blind spots, it allows you to respond to someone honking their horn, emergency vehicle sirens, and bells at railroad crossings, and can alert you to impending engine or other mechanical failure.Ī hearing impairment (partial deafness) is the inability to hear low to medium (softer) decibel sounds, or sounds of certain frequencies.ĭeafness is the inability to hear even the loudest of sounds.Ī person can compensate for a hearing impairment and improve his or her ability to drive safely by seeing a doctor and having a hearing aid prescribed to amplify sounds. Hearing is more important for safe driving than many people realize. It is important to have your eyes checked every year or two by an optometrist or ophthalmologist to ensure that you are not putting yourself or others at risk while driving. You should not wear glasses whose frames or lenses obstruct your peripheral vision.Ĭertain aspects of vision deteriorate slowly with age, sometimes so slowly that people do not notice the change. You should never wear dark glasses at night and you should consult a physician regarding the safety of wearing tinted contacts at night. Whenever you drive, you must wear the glasses or contact lenses that have been prescribed for you or are required by a restriction on your license. failing to see or obey a stop light suspended over an intersectionĪ person can compensate for poor visual acuity by wearing glasses or contact lenses prescribed by a ophthalmologist or optometrist.Ī person can compensate for poor depth perception by using extra caution in judging the speed and distance of oncoming vehicles and approaching objects.Ī person can compensate for poor peripheral vision by frequently turning the head to increase his or her field of vision.Ī person can compensate for poor glare resistance and recovery while driving by using the sun visor, wearing sun glasses or other dark lenses during the sunset, and by avoiding looking into the headlights of oncoming cars.Ī person can compensate for color blindness while driving by learning the general shapes and patterns of signs, and relying on the position of signal lights, rather than on their color.failing to react to a hazard coming from the left or right,.In keeping the vehicle centered in the lane, peripheral vision is used to monitor the lane boundaries and keep the vehicle oriented in traffic. When a driver looks in the rear-view mirror, peripheral vision is used to monitor traffic in front of the vehicle. Peripheral vision is also used in controlling the vehicle. 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. Please enable javascript if you wish to advance through the topics
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