While I look out at about 20 inches of snow, I thought it's time to prepare for spring...

I was wondering if anyone had any recommendations for prescription cycling glasses.

Currently, I wear my regular sunglass transition bifocals. But if I'm buying glasses just for cycling, I'd think I could probably go with just a distance prescription. I'm also looking for something that improves visability both when sunny or cloudy (similar to ski goggles).

I'd be interested to know if you bought them through your local optician or online. I'd think I'd need to try them on, etc., so I'm not sure how I'd do it online.

Thanks!