When you are on a bike and going fast, why do your eyes water?

Question: When you are on a bike and going fast, why do your eyes water?
- Keywords:
  bike,
  body,
  cycling,
  eye,
  speed,
  water
Asked by benifa44 to Claire, Kate, Matt, Rob, Sam on 21 Jun 2013.
- Claire Lee answered on 21 Jun 2013:
  
  I think the wind irritates your eyes and dries them out, so your eyes try to compensate by making more liquid to soothe them and keep them moisturised

Question: When you are on a bike and going fast, why do your eyes water?