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Old 01-22-19, 11:09 PM
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Shimagnolo
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Originally Posted by DrIsotope View Post
While the OP has apparently done it successfully for decades, if I tried riding without glasses, I would have taken a bee directly into the eyeball about 30 times. Well, more likely just that first time, after which I would have crashed into a ditch. That's ignoring the whole prescription issue.
I was descending a 9% grade at 45mph when I thought a stone had hit my left lens.
Then my vision went blurry in the same eye.
When I stopped, I found bug guts covering most of the lens.
You couldn't pay me enough to ride w/o eye protection.
Also, I was probably 30 before I found out you can sunburn your eyes. That's reason enough to wear some form of glasses, as any plastic lens will block at least 80% of UV. Coated lenses will block 100% of UVA and UVB... and help keep brake dust, road grit, and bees out of your eyes.
"Ultraviolet light, specifically UVB, has also been shown to cause cataracts, and some evidence indicates sunglasses worn at an early age can slow its development in later life."
Source: https://en.wikipedia.org/wiki/Cataract#Radiation

On the topic of sunburn, I have a friend who was stupidly snow-skiing one day w/o eye protection and spent a night in agony.
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