ONL Therapeutics | 4,229 followers on LinkedIn. Helping patients see the future | ONL Therapeutics (ONL) is a clinical-stage biopharmaceutical company committed to helping patients see the future. Our mission is to develop innovative therapeutics to protect and improve the vision of patients with a range of retinal disease and conditions. By advancing a breakthrough technology designed to prevent the death of key retinal cells caused by the activation of the natural Fas pathway, ONL is pioneering an entirely new approach to preserve sight.