Von Photograph: Danny Hope from Brighton & Hove, UKDiagram: User:Zyxwv99 - Photograph: File:Righ_eye_retina.jpg (which come from My Right Eye)Diagram: Eigenes Werk ( User:Zyxwv99 ), CC BY 2.0, https://commons.wikimedia.org/w/index.php?curid=36685094
Von Snoop 18:38, 31. Aug. 2010 (CEST) - selbst fotografiert, CC BY-SA 3.0, https://de.wikipedia.org/w/index.php?curid=5623934
