My wrap around sunglasses are much better than my eyeglasses. When it's 50F or below, the tears would interfere with my vision on downhills. I still have to blink some water out of my eyes, but it's much better with wraparounds. These never fog up.

The wrap around sunglasses help a lot on fast downhills in the summer, too.

I have interchangeable lenses over a clip-in prescription, so I can use clear lenses when it's dark.

I don't ride much below 35F, but I suppose goggles would be needed in the 20s.