Rafique, Aisha, et al. “COMPARISON OF OPTICAL BIOMETRY AND A SCAN FOR CALCULATION OF INTRAOCULAR LENS POWER IN AGE RELATED NUCLEAR CATARACT AT TERTIARY CARE EYE HOSPITAL: Intraocular Lens Power”. Pakistan Armed Forces Medical Journal, vol. 71, no. 5, Oct. 2021, pp. 1828-32, https://doi.org/10.51253/pafmj.v71i5.3571.