Hindsight: Journal of Optometry History publishes material on the history of optometry and related topics. As the official publication of the Optometric Historical Society (OHS), a program of Optometry Cares®-The AOA Foundation, Hindsight supports the mission and purpose of the OHS. Members and officers of the OHS Advisory Committee 2017 President: Ronald R. Ferrucci, rferrucci@juno.com (2017)* Vice-President: John C. Townsend, john.townsend@va.gov (2018) Secretary-Treasurer: Irving Bennett, irvbennett23@gmail.com (2021) Members: John F. Amos, eyedoc@uab.edu (2019) R. Norman Bailey, nbailey@uh.edu (2021) Lynn M. Brandes, lynnbrandes@comcast.net (2019) Bill Sharpton, sharpton@windstream.net (2017) George Woo, george.woo@polyu.edu.hk (2019) Karla Zadnik, zadnik.4@osu.edu (2018) *term expires Optometry Cares® - The AOA Foundation T. Joel Byars, O.D., Liaison to Heritage Services, Board of Directors jbyarsod@bellsouth.net Rebecca Hildebrand, Director RAHildebrand@aoa.org Kirsten Pourroy Hébert, Heritage Services Specialist The Archives and Museum of Optometry khebert@aoa.org The official publication of the OHS, published quarterly since its beginning, was previously titled Newsletter of the Optometric Historical Society, 1970-1991 (volumes 1-22), and Hindsight: Newsletter of the Optometric Historical Society, 1992-2006 (volumes 22-37). Use of the current title, Hindsight: Journal of Optometry History, began in 2007 with volume 38, number 1. Back issues, indexes, and additional information about the journal are available at: https://scholarworks.iu.edu/journals/index.php/hindsight/issue/archive Manuscripts can be submitted for publication at the journal website (https:// scholarworks.iu.edu/journals/index.php/hindsight). Alternatively, a Word document can be submitted by email to the editor.