Suppl-1, M1: Editorial: Keratoconus – What We Do Not Know

Keratoconus has been recognized and investigated for more than 150 years [1]. Especially over the last decades, there has been intensive translational and clinical research in the field of corneal ectatic diseases, thereby revolutionizing the diagnosis and management of keratoconus. However, despite fundamental advances in understanding the complexity of this entity, the true nature of keratoconus remains merely unknown