It is a Nutritional supplement marketed for dry eye patients.
From Science Based Health: "HydroEye is a patented oral formulation that provides continuous relief for dry eye discomfort. HydroEye contains a proprietary blend of omega-3 and omega-6 fatty acids, antioxidants, and other key nutrients that work together to support a healthy tear film."
Is this a tear? Probably ok.
Dr. O.