Ozioko NM, Eze GC. Assessment of colour vision among self-referred patients for glucose monitoring in ESUT teaching hospital, Parklane, Nigeria using Hardy-Rand-Rittler colour vision test. Int J Community Med Public Health [Internet]. 2024 Nov. 29 [cited 2025 Nov. 16];11(12):4671-6. Available from: https://www.ijcmph.com/index.php/ijcmph/article/view/13123