Naksaranyuyottana, P., Raktrakulwitthaya, T., Klongkidpanich, P., Phuwasinsawad, P., Ketru, C., Jeak-in, S. and Boonkrong, P. (2021) “Inter-instrument agreement of anterior corneal curvature measurements: Topographer, auto kerato-refractometer and manual keratometer”, Journal of Current Science and Technology, 11(1), pp. 127–136. available at: https://ph04.tci-thaijo.org/index.php/JCST/article/view/364 (accessed: 16 September 2026).