Alvin Munsamy is an associate professor of optometry at the School of Health Sciences at the University of KwaZulu-Natal (UKZN), South Africa. He is a nationally rated scientist in clinical optometry, awarded this recognition by the National Research Foundation and the Department of Science and Innovation (South Africa). Additionally, he serves as the editor-in-chief of the journal African Vision and Eye Health and is a board examiner for the Professional Board for Optometry and Dispensing Opticians (Health Professions Council South Africa). Lehlomela Monthati, Mlambo Minenhle, Mngomezulu Zwelakhe, Ndlovu Nokubongwa and Radebe Mthobisi were honours students in optometry at UKZN during the study and are now practicing clinicians across South Africa.