Tears help lubricate and protect the eyes from irritation (such as dirt and dust) and infections. When you blink, a layer of tears—called tear film—covers the eyes' surface. The tear film has these ...

Dry eye affects up to 16 million people in the US, and new treatments aim to mitigate the symptoms that can disrupt quality of life in these patients.

A panelist discusses how a prospective study demonstrated that twice-daily use of a nasal spray significantly improved tear ...