During my three-hour ride yesterday, half of which was in constant rain, and at times the torrential variety, I had a really difficult time with rain water in my eyes. It wasn't so much falling rain drops hitting me, but more water that dripped from my head/helmet and then into my eyes, and it stung! So much so that I had to stop several times to just recompose. I had no moisturizer or sunscreen on my face, so it wouldn't have been that. There are no chemical in my hair either. It was just rainwater.

Obviously I am not purposely looking to ride in the rain, but I was already way out there when the rain started so no choice but to head back. I am looking for ideas on how to deal with this, if there are any.

And before anyone chides me about riding in traffic under such conditions I didn't. I was on a forested trail.

Any ideas would be appreciated.