From Vance Thompson Vision (Berdahl), Sioux Falls, South Dakota; Minnesota Eye Consultants (Hardten), Minnetonka, Minnesota; the Department of Ophthalmology (Kramer), University of North Carolina, Chapel Hill, North Carolina; and Science in Vision (Potvin), Akron, New York, USA
*Corresponding author: Richard Potvin, OD, Science in Vision, 6197 Dye Road, Akron, New York 14001, USA.
E-mail: [email protected]
Submitted March 2, 2018; revised June 4, 2018; accepted June 21, 2018.
Data analysis and the preparation of this manuscript were supported with an investigator-initiated research grant to Ocular Surgical Data, LLC, Sioux Falls, South Dakota from Alcon Laboratories, Inc., Fort Worth, Texas, USA.
Sarah Makari, OD, of Science in Vision, assisted in the preparation of the manuscript.