Attempting humour is clearly a waste of time, so I'll resort to a serious post on this thread.
For me, as a wearer of prescription eyewear, the fogging problem is two-fold -- my glasses and/or the visor.
The visor fogging is partly due to a head/Shoei helmet issue: head big, helmet not too much bigger. Translated this means I can make my lips touch the front of my helmet by puckering (stay with me, gentle readers, this is a serious thread). Also simple physics dictates that if one's helmet is full of head, there is limited room for air movement. In winter, if I wear a neck tube, my visor and glasses constantly fog, because the tube seals off the air flow at the front of the helmet. Fortunately Shoei has a great little clicker that opens the visor by a whisker (or two) that lets a bit more air through. But that just makes one's lid noisier. Alas I have no alternative helmets available from which to choose.
Glasses fogging is harder to resolve, apart from surgery.
"Standing on your mother's corpse you told me that you'd wait forever." [Bryan Adams: Summer of 69]
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