Funding for this research was provided by:
National Eye Institute (EY027882)
Received: 24 September 2019
Accepted: 29 May 2020
First Online: 22 June 2020
Ethics approval and consent to participate
: The original data collection was done in person and followed a protocol approved by the local institutional review board or equivalent. The current study followed the tenets of the Declaration of Helsinki and was approved by the Massachusetts Eye and Ear Human Studies Committee.
: None of the authors have any competing interests to report.