This project was supported by the National Eye Institute of the National Institutes of Health under award number R01 EY029594 (S.Y.). The content is solely the responsibility of the authors and does not necessarily represent the official views of the National Institutes of Health or the views or policies of the Department of Health and Human Services, nor does mention of trade names, commercial products, or organizations imply endorsement by the United States Government. Grant support is also provided by Research to Prevent Blindness the Macula Society Retina Research Foundation, ARVO Mallinckrodt Young Investigator Grant, and the Stanley M. Truhlsen Family Foundation, Inc.

The authors declare that they have no conflicts of interest to disclose.