Gazzard G, Konstantakopoulou E, Garway-Heath D, et al. Laser in Glaucoma and Ocular Hypertension (LiGHT) trial. A multicentre, randomised controlled trial: design and methodology. Br J Ophthalmol 2018;102:593–8.

There is a duplicated sentence under the paragraph ‘Defining disease progression by HRT and VF’. The second sentence is redundant and inaccurate. The correct sentence follows: ‘Possible VF Progression’ was defined as deterioration of ≥3 locations on the HFA GPA with probability of <0.05 on two consecutive tests.