Annotations as a Support for Knowledge Generation - Supporting Visual Analytics in the Field of Ophthalmology Topics: Interactive Visual Interfaces for Visualization; Knowledge-Assisted Visualization; Visualization Taxonomies and Models In Proceedings of the 13th International Joint Conference on Computer Vision, Imaging and Computer Graphics Theory and Applications - Volume 2 HUCAPP: VISIGRAPP, 264-272, 2018 , Funchal, Madeira, Portugal