I know it's a little late for a response since this was posted last month, but I had the SAME problem with my pups. I researched and asked around and came up with 2 possible causes...worms or eye infection. Not wanting to take any chances, I wormed them immediately and ordered a tube of Terramycin Ophthalmic Ointment (you put it in their eyes) from Amazon.com for about $15 bucks after shipping. I can't tell you which one worked because I did them both pretty close. However, I swear the worming cleared most of it up before the ointment arrived. I hope this helps...I am sure your dogs don't have the problem anymore, but if it happens again.....
