Kala Pharmaceuticals, Inc. focuses on the discovery, development, and commercialization of therapies using its proprietary mucus penetrating particles technology.The company's product candidates include KPI-012, which is in clinical development stage for the treatment of persistent corneal epithelial defects; EYSUVIS for the short-term treatment of the signs and symptoms of dry eye disease; and INVELTYS, a topical twice-a-day ocular steroid.