To Compare The Influence Of Surgeon Hand Dominance On Surgically Induced Astigmatism In Phacoemulsification.
Published 2026 - 44th Congress of the ESCRS
Reference: POCAT242 | Type: Poster | DOI: 10.82333/r6kk-pc08
Authors: Dr Laiba Asif Mazhry 1 , Dr Muhammad Abdullah Mazhry 2 , A/Prof. Zia ul Mazhry* 3
1Mughal Eye Hospital Trust,Lahore,Pakistan, 2LRBT Township,Lahore,Pakistan, 3Wapda Teaching Hospital Complex,Lahore,Pakistan
Purpose
To compare the influence of surgeon hand dominance on surgically induced astigmatism in
Phacoemulsification.
Setting
Acuity Eye Center, Lahore, from 2023 to 2024.
Methods
SIA was analyzed in 200 patients who underwent phacoemulsification performed by a single experienced surgeon using a temporal clear corneal incision. The surgeon operated on right eyes using the right dominant hand and on left eyes using the left non-dominant hand. Preoperative keratometric (K) values were recorded one day before surgery using a Nidek auto-refractokeratometer. Postoperative keratometric readings were obtained at 6 weeks follow-up. Pre- and postoperative K values were entered into a spreadsheet, and SIA was calculated using the ASCRS SIA Calculator. Comparison of SIA between dominant-hand and non-dominant-hand phacoemulsification was performed using SPSS software version 26.
Results
All the participants were between 30 to 80 years of age. Double angle plot for SIA using ASCRS V100
tool revealed significant insights into the astigmatic changes post-surgery in both the right and left eyes. The
centroid values, indicative of the mean astigmatic change, were 0.49±0.26D and 0.55±0.31D, respectively. The
comparison between both left and right phacoemulsification showed that the difference was non-significant
between dominant and non-dominant hand (P=0.251)
Conclusions
Despite the challenges of adapting surgical technique to accommodate hand dominance, our
findings indicate a non-significant difference in postoperative SIA outcomes.