Are they called Ocluvet? I have been using them with my 16 year old Yorkie for about 3 days. They say you should start seeing a difference in a few weeks. I'm too optimistic but its worth a shot. Although he isn't getting the eye gunk as much now. I bought mine for a vet supply on Ebay.
http://cgi.ebay.com/OcluVet-Eye-Drop...QQcmdZViewItem