Chukwuka, I.O. and Pedro-Egbe, C.N. 2020. Demographic pattern of refractive anomalies in Niger Delta presbyopes - Implications for preventive eye care practice. International Journal of Clinical and Experimental Ophthalmology. 4, 1 (Jan. 2020), 005–008. DOI:https://doi.org/10.29328/journal.ijceo.1001025.