%0 Journal Article %T Suppl-1, M1: Editorial: Keratoconus ¨C What We Do Not Know %A Berthold Seitz %A Damian Lake %A Samer Hamada %A Zisis Gatzioufas %J Archive of "The Open Ophthalmology Journal". %D 2017 %R 10.2174/1874364101711010173 %X 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 %U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5585450/