Well, I seem to be not alone in the light sensitive department. I'm not severely sensitive, but I do get tired of squinting all day long. I use the clear visor for very, very cloudy days only...and the occassional night enduro. Most of the time I use the smoke visor. I had a room mate in college that flew helicopters in Viet Nam...yep, showed my age. He said the proper procedure for using the yellow shield was for overcast or foggy weather. It gave images a higher resolution when they were blurred by weather. The blue, iridium lenses were never used, as they tended to distort the image when you move your eyes from side to side without moving your head simultaneously. Can't attest to that as I've never used one. I will agree, they do look really cool!
As much as I require air inside my helmet, I never race with the visor open. Crap comes inside the car at every moment! Or, as it happened in my last race, I got punted by an ITA car and took an adventure through the grass. The guy following me, when I came back on course, said he fought grass coming out of my car for a lap and a half. Needless to say, had my visor been up, a lot of that would've been in my eyes.
If you require corrective lenses, they do make sport goggles that will go on inside the helmet, or over if you don't wear a full face.
Chris Harris
ITC Honda Civic
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