Try our new info resource - "Aladdin's Cave" (Main menu)Just added a separate link to Ash's Dropbox thread (shortcut)
I wear contacts, what i would say is the drying effect of wind in your face is most likely going to be the problem. I find even car aircon or fans on high can make my eyes dry
I guess the helmet manufacturers realise the people who buy their helmets are getting older and need to wear glasses!