For me, the flying objects are usually bugs, when I'm out cycling. More than once I've had yellow jackets bounce off my glasses. :O Late last summer, I took a

For me, the flying objects are usually bugs, when I'm out cycling. More than once I've had yellow jackets bounce off my glasses. :O Late last summer, I took a ride one evening when, in any wooded area, the air was absolutely thick with gnats. I wound up tying a extra bandana over my mouth (flying protein supplements do NOT taste good!) and adjusting the one around my forehead to close the gap over my glasses for good measure.