1993 Buick Century Owner's Manual - Page 158

Night Vision No one cansee as well at night as in thedaytime, but as we get older these differences increase. A 50-year-old driver may require at least twice as much light tothe see same thing at nightas a 20-year-old. afkct your night What you do in the daytime can also vision. For example, if you spend day in bright the sunshine you are wise to wear sunglasses. Your eyes will have less trouble adjusting to night. But if you're driving, don't wear sunglasses night. at They may cut down onglare from headlights, but they also make a lot things invisible that should remain of visible-such as parked cars, obstacles, pedestrians, or even trains blocking railway crossings. may want to You put on your sunglasses after you have pulled into a brightly-lighted service or refreshment area. Eyes shielded from that glare may adjust more quickly to darkness back on the road. But be sure to remove your sunglasses before you leave the service area. You can be temporarily blinded approaching lights. It by can take a second or two, or even several seconds, for your eyes to readjust to the dark. When you are hced with severe glare (as from a driver who doesn't lower th high beams, or a vehicle withmisaimed headlights) slow down a little. Avoid staring directly into the approaching lights. If thereis a lineof opposing traffic, make occasional glances over the line of headlights to make certain that.one of the vehicles isn't starting to movet i o n your lane. Once youare past the bright lights, give your speed. eyes time to readjust before resuming 156