Text and Data Mining valid from 2020-02-25
Received: 8 March 2019
Revised: 24 October 2019
Accepted: 13 November 2019
First Online: 25 February 2020
Compliance with ethical standards
: The authors declare that they have no conflict of interest.
: Ninewells Hospital Orthoptic and Ophthalmology departments have ongoing Caldicott guardianship approval for analysis and review of pre-school vision screening outcomes.