Singh , D. S. K. ., and D. M. T. . Alam. “A COMPARATIVE STUDY OF PRE AND POST-OPERATIVE REFRACTIVE ERRORS IN CATARACT SURGERY – PHACO & SICS.”. Student’s Journal of Health Research Africa, vol. 4, no. 9, Sept. 2023, p. 5, doi:10.51168/sjhrafrica.v4i9.685.