When should drivers over 70 consider stopping driving?

He still knows his route by heart, handles his car like he did at 30… and yet, you can’t shake the feeling. What if driving has become risky for him — or for others?
After age 70, certain natural changes in the body can affect driving safety. What signs should you look for? And how can you bring up such a sensitive topic without hurting his feelings? Here’s everything you need to know to stay behind the wheel… safely.
1. Vision: when the eyes don’t see as well as they used