ENLIGHT: A consensus checklist for reporting laboratory-based studies on the non-visual effects of light in humans

Spitschan, Manuel, Kervezee, Laura, Lok, Renske, McGlashan, Elise, Najjar, Raymond, Allen, Annette E., Andersen, Marilyne, Bará, Salvador, Blattner, Peter, Blume, Christine, Boivin, Diane B., Bonmatí-Carrión, María-Ángeles, Broszio, Kai, Brown, Timothy M., Chellappa, Sarah Laxhmi, Duffy, Jeanne F., Eto, Taisuke, Flynn-Evans, Erin, Fotios, Steve, Gabel, Virginie, Garbazza, Corrado, Glickman, Gena, Gordijn, Marijke C., Hanifin, John P., Hartstein, Lauren, Herf, Michael, Higuchi, Shigekazu, Hilditch, Cassie J., Houser, Kevin W., Hurlbert, Anya, LeBourgeois, Monique K., Lockley, Steven, Lucas, Robert, Moreno, Claudia R.C., Münch, Mirjam, Mure, Ludovic S., Peirson, Stuart, Rahman, Shadab, Revell, Victoria L., Rodriguez, Roberto G., Roecklein, Kathryn, Rukmini, A.V., Sammarco, John, Santhi, Nayantara, Schlangen, Luc J.M., Schöllhorn, Isabel, Sharkey, Katherine M., Skene, Debra J., Sletten, Tracey L., Smolders, Karin C.H.J. and Stefani, Oliver (2023) ENLIGHT: A consensus checklist for reporting laboratory-based studies on the non-visual effects of light in humans. EBioMedicine, 98, [104889]. (doi:10.1016/j.ebiom.2023.104889).

Abstract

Background
There is no consensus on reporting light characteristics in studies investigating non-visual responses to light. This project aimed to develop a reporting checklist for laboratory-based investigations on the impact of light on non-visual physiology.
Methods
A four-step modified Delphi process (three questionnaire-based feedback rounds and one face-to-face group discussion) involving international experts was conducted to reach consensus on the items to be included in the checklist. Following the consensus process, the resulting checklist was tested in a pilot phase with independent experts.
Findings
An initial list of 61 items related to reporting light-based interventions was condensed to a final checklist containing 25 items, based upon consensus among experts (final n = 60). Nine items were deemed necessary to report regardless of research question or context. A description of each item is provided in the accompanying Explanation and Elaboration (E&E) document. The independent pilot testing phase led to minor textual clarifications in the checklist and E&E document.
Interpretation
The ENLIGHT Checklist is the first consensus-based checklist for documenting and reporting ocular light-based interventions for human studies. The implementation of the checklist will enhance the impact of light-based research by ensuring comprehensive documentation, enhancing reproducibility, and enabling data aggregation across studies.

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Contributors

Author: Sarah Laxhmi Chellappa

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