8:45 AM. 375. On-Demand Transparency of Aligned Cellulose Nanofiber networks in Collagen Scaffolds for Corneal Bioprinting.Diya Singhal1, Will Salisbury1, Betty Cai1, Neil Baugh1, Carla Huerta-López, PhD1, Seungheon Lee1, David Myung, PhD1, Lucia Brunel, PhD1, Sarah Heilshorn, PhD1 1Stanford University