I got contacts when I was 14, loved 'em even if I was lazy sometimes and didn't take them out at night. Right after I turned 19, I got a pair of glasses just so I had a fall-back if I lost a lens or something of that sort. Found out the glasses improved my vision more than the contacts. I have severe astigmatism and I guess until recently, contacts didn't do a thing to help that. So I wore my glasses and got used to them.
Much easier than contacts, IMO. I often work early in the morning and I don't want to deal with putting contacts in at 4 or 5 am when I sometimes have trouble just keeping my eyes open.
I've also found I have seasonal allergies that really irritate my eyes and with contacts in, it would feel worse. Also, I've been told glasses make me look older, so that's a plus for me. (I was once asked if I was 16 while wearing contacts when I was 21!) Even ponied up for a $350 pair of prescription sunglasses that I love, and keep in my car so I don't forget them. (Insurance covered most of that bill).
I don't think I will ever go back to contacts, unless I join an adult hockey league, which I am seriously considering.