1994 Chevrolet Astro Owner's Manual - Page 167

Night Vision No one can see as well at night as in the daytime. But as get older these we differences increase. A 50-year-old driver may require at least twice as much light to see the same thing at night as a 20-year-old. What you do in the daytime can also affect your night vision. For example, if you spendthe day in bright sunshine you wise to wear sunglasses. are Your eyes will have less trouble adjusting to night. Butyou're driving, if don't wear sunglasses at night. They may down on glare from cut headlights, but theyalso make a lot of things invisible. You can be temporarily blinded by approaching lights. can take a second It or two, or even several seconds,for your eyes to readjust to the dark. When you are faced with severe glare (as from a driver who doesn't lower the hig beams, or a vehicle with misaimed headlights), slow downlittle. Avoid a staring directly into the approaching lights. Keep your windshield and all the glass your vehicle clean-inside and on out. Glare at night is made much worse by on the glass. Even the inside dirt of the glass can build up a film caused dust. Dirty glass makes lights by dazzle and flash more than clean glass would, making the pupils of your eyes contract repeatedly. Remember that your headlights light up less of a roadway when you far are in a turnor curve. Keep youreyes moving; that way, it's easier to pick out dimly lighted objects. Just as your headlights should be checked regularly for proper aim, so should your eyes be examined regularly.Some drivers suffer from night blindness - the inability to see in dim light - and aren't even aware of it. Driving in the Rain Rain and wet roads mean driving trouble. On a wet road you can't stop, can accelerate or turn as well because your tire-to-road traction isn't as good as on dry roads. And,if your tires don't have much tread left, you'll get even 4-13