Fly Optic Lobe (IMAGE) The Zuckerman Institute at Columbia University Caption Lamina and medulla of the fly optic lobe. Photoreceptors in magenta and Dm9 clone in green. Credit Maia Weisenhaus/Behnia lab/Columbia University's Zuckerman Institute. Usage Restrictions Please contact Zuckerman Institute press office for reprint permissions. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.