Explores the neurobiology, cell biology, genetics and developmental biology of the visual system. Discusses neurodegenerative and vascular diseases that lead to blindness. Students read and analyze original research articles to train scientific reasoning. Involves student-organized presentations and classroom discussion. Fulfills MCDB scientific reasoning requirement. Recommended prerequisites: MCDB 3135 and MCDB 3145 (minimum grade C-) or instructor consent required. Same as MCDB 5427.