Okudo, A. C., and O. E. Babalola. “Comparative Analysis of Central Corneal Thickness Using Ultrasound and Anterior Segment OCT Pachymetry in Adults Attending a Private Eye Clinic in Abuja”. Transactions of the Ophthalmological Society of Nigeria, vol. 6, no. 1, Aug. 2021, https://tosn.org.ng/index.php/home/article/view/64.