Statistics from Altmetric.com
If you wish to reuse any or all of this article please use the link below which will take you to the Copyright Clearance Center’s RightsLink service. You will be able to get a quick price and instant permission to reuse the content in many different ways.
Contributors All authors contributed equally to the planning and completion of this manuscript.
Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.
Competing interests DM is the CEO and TYW is a cofounder of the health technology company, Plano Pte Ltd, Singapore, which develops software solutions and applications for monitoring vision and smart device screen time usage.
Patient consent None declared.
Provenance and peer review Not commissioned; internally peer reviewed.