Ogochukwuka, N. P.-C., Obaghwarhievwo, A. J., & Osagie, O. M. (2021). Prevalence of visual impairment among patients attending the University of Port Harcourt Teaching Hospital, Rivers State, Nigeria. GSC Advanced Research and Reviews, 6(3), 097–106. https://doi.org/10.30574/gscarr.2021.6.3.0005