A. Javed, M. O. Arshad, J. Nasir, M. H. Chatni, and B. Ayub, “Comparison between the values of intra-ocular pressure measured by Goldmann applanation tonometer and Air-Puff non-contact tonometer and their relationship with central corneal thickness”, J Pak Med Assoc, vol. 72, no. 01, p. 149, May 2022.