Vitality - Healthy Aging NewsletterFall 2011

Night Vision Changes for Older Drivers

As we age, changes in our eyes affect night vision.

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Our pupils shrink and no longer dilate in the dark like they used to, allowing less light to enter the eye and making it seem like we're wearing sunglasses at night.

The cornea and lens become cloudier, which increases glare, creates halos around headlights, and makes it more difficult to see road signs and pedestrians.

To ensure safe driving, make sure your eyes are examined regularly, and wear up-to-date prescription glasses that have a protective, anti-reflective coating. If you don't wear glasses, sunglasses with a light amber lens may help reduce glare.

Other tips include keeping windshields clean inside and out, replacing windshield wipers every six months, and using a water-repellent coating on the windshield that beads up raindrops.

Finally, avoid driving at night in the rain — especially to an unfamiliar place. Instead, share a ride with a friend or take a taxi or other transportation service, and enjoy the ride.

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