Feasibility study for detection of retinal amyloid in clinical trials: The Anti‐Amyloid Treatment in Asymptomatic Alzheimer's Disease (A4) trial oleh Jennifer Ngolab, Michael Donohue, Alison Belsha, Jennifer Salazar, Paula Cohen, Sandhya Jaiswal, Veasna Tan, Devon Gessert, Shaina Korouri, Neelum T. Aggarwal, Jessica Alber, Ken Johnson, Gregory Jicha, Christopher vanDyck, James Lah, Stephen Salloway, Reisa A. Sperling, Paul S. Aisen, Michael S. Rafii, Robert A. Rissman