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I was riding yesterday afternoon. and I again experienced something that made me very uncomfortable. I was riding north, and the sun was in the western sky (to my left). I was on a country road that was lined with trees. As I rode the tree shadows were so spaced that they created a strobe-light effect with the brilliant sunlight. After a mile or so, it was almost disorienting. Have any of you ever experienced this, and what do you do about it. I was wearing sunglasses, but they didn't help.
 

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Yeah, that is disturbing...the light is firing neurons in your cerebellum so if its flashing into your left eye it would cause firing of the right part of your cerebellum...end result is it effects your sense of balance. When this happens i close the eye that is being exposed and make sure to look much further down the road.

I've seen it bad enough where if you've had head injuries it can totally waste your balance, pretty scary.

There is a way to correct this really quickly...if it's the left eye than hold tighter on the grip with the right hand and stretch your arm for about 10 seconds, relax and repeat...this fires the left portion of the cerebellum so the exaggerated firing is balanced.
 

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yeah, I've seen it where even one of those really rapid frame to frame cycling on TV can trigger it. The part I like is the projectile vomiting...always a treat, especially on carpets.

the cure is to install linoleum....
 

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Yes there's a particular tree lined twisty country lane which I often ride down to the beach area that in the early morning the sun shining thru the trees give a strobe effect and it can be disorientating as well as blinding. I cut the speed down and concentrate on the tarmac more.

------------------
Ride on ! :)
 

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Strobe lights are good......when I was married I put one in the bedroom so that it looked like she was moving......
 

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Try landing a light aircraft to the west at sunset in Europe during winter, when the sun is low in the sky. The stobing effect of the prop moving at idle gives a nasty feeling. You almost have to feel for the runway with your arse and use peripheral vision to see the runway edges as you flare ..... Its annoying on the bike too. Wear tinted visors/glasses to reduce the effect. Also inclining the head slightly and looking out of the side of your eyes can reduce the effects. If that doesnt work, try a sombrero!


Cheers


Mark
 

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I don't like that either, one of the reasons I prefer cloudy days in the winter in particular. On cloudless winter days it seems the sun never gets high enough in the sky to stay out of your eyes, I'd rather it just be gray and dreary.


:cool:
 

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The same effect can occur when you accidentally wire your pulsing headlight module to your eyelids. Did you know your eyelid muscles can actually get sore enough to cramp in the quadruple espresso position?
 

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this is from the epilepsy foundation..

"Seizures in photosensitive people may be triggered by exposure to television screens due to the flicker or rolling images, to computer monitors, to certain video games or TV broadcasts containing rapid flashes or alternating patterns of different colors, and to intense strobe lights like visual fire alarms.
Also, seizures may be triggered by natural light, such as sunlight, especially when shimmering off water, flickering through trees or through the slats of Venetian blinds. Certain visual patterns, especially stripes of contrasting colors, may also cause seizures. People have wondered whether flashing lights on the outside top of buses or emergency vehicles may trigger seizures in people with photosensitive epilepsy."
 
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