Unless your mare has had a bad breakup with the stallion next door, her watery eyes could indicate a serious problem. While there are many reasons for a horse to have excessive tear production, it's a classic sign of equine recurrent uveitis, also known as moon blindness. Although years ago it was thought that the disease came and went with the cycles of the moon, today we know that it has nothing to do with the lunar calendar. Unfortunately, "equine recurrent uveitis is the most common cause [...]
