Researchers have found a mouthwash — a natural one, at that — that seems to kill off nasty germs while nurturing friendly microbes.

A novel eye drop formulation shows antioxidant effects and may protect corneal epithelial cells, according to research presented at AOA 2025.

Top Cleveland Clinic and University of Iowa eye doctors explain it's not just blurry vision or irritation—and not just any eye drop will help.