I recently walked along a road with some Christmas lights (installed by the city) with the most horrible flicker. When looking at them straight on you could jus

I recently walked along a road with some Christmas lights (installed by the city) with the most horrible flicker. When looking at them straight on you could just notice it, but from the corner of my eye it was really bad and distracting. I wonder if there have been any studies done on the dangers for drivers of LED flicker.