I use it for bicycle commuting. Trash gotten into my eyes while driving so far, I could not see the front, I bought it because I saw dangerous eyes. It is not indeed true that garbage will not come in after that, but there is no such thing as garbage of the size that will deprive visibility comes into my eyes. Also, I thought using it, but this glasses. It is really hard to get scratched. I have dropped it on the asphalt several times, but there are almost no scratches. I will also buy it.