McAlinden, MD, MB BCh, BSc (Hons), MSc, PhD, MRCOphth C, Williams, BSc (Hons), MB BCh (Hons), MRCP, FRCOphth CPR. A 54-year-old man with bilateral symmetrical circular corneal opacities. Digit J Ophthalmol. 2020;26(2):21-26. doi:10.5693/djo.03.2019.12.001