Originally Posted by BobbyG

I wear trifocals also. Tried progressives a couple of times...didn't feel like they offered good periferal vision. I used to wear my previous glasses as my biking glasses, but now I just wear whatever is my current pair (with a strap). In 23 years of serious bike commuting, while thinks have hit my lenses, I have never had a pit, scratch or crack. BTW, I wash my lenses with soap and warm water, then blow dry them with an empty pen tube, or straw (pinching it near the bottom). In 12 years of doing this I have avoided scratching the lenses, and two and three year old lenses look like new. After three years I usually need a new perscription.