Affiliation: | 1. Equine Department, Vetsuisse Faculty, University of Zurich, , Winterthurerstrasse 260, CH‐8057 Zurich, Switzerland;2. Division of Ophthalmology, Department of Clinical Neurosciences, University Hospitals of Geneva, , Rue Alcide‐Jentzer 22, CH‐1211 Geneva 14, Switzerland |