Which one is better for driving at night?

[bifocal glasses]

What do you suggest for drivers to wear, polarized sunglasses or tinted lenses? They are just the same from the outside! The former can eliminate the glare from the headlight of coming cars or the surface of the road, especially in the evening, and tinted lenses can improve the contrast between in and outside, making you a much comfortable circumstance of driving! So, do they have the same effect for driving? If not, which one is better?