Correction to: Eye https://doi.org/10.1038/s41433-021-01836-z, published online 01 November 2021

The article “Comment on: The reliability of visual acuity measurements from inpatient referrals to ophthalmology”, written by AJT, was originally published online on the publisher’s internet portal on 1 November 2021 with Open Access under a Creative Commons Attribution (CC BY) license 4.0. With the author’s/authors' decision to cancel Open Access the copyright of the article changed on 2 February 2022 to © The Author(s), under exclusive licence to The Royal College of Ophthalmologists 2022 with all rights reserved.