COMPARATIVE ANALYSIS OF THE ACCURACY OF INTRAOCULAR LENS POWER CALCULATION FORMULAS IN COMBINED PHACOVITRECTOMY

SS KHAN; M FATIMA; N AADIL; SHR JAFRI; A MANZOOR; MS REHMAN

doi:10.54112/bcsrj.v2023i1.252

Authors

SS KHAN Department of Ophthalmology, Bakhtawar Amin Hospital & Medical & Dental College Multan, Pakistan
M FATIMA Department of Ophthalmology, Nishtar Hospital Multan, Pakistan
N AADIL Department of Ophthalmology, Nishtar Hospital Multan, Pakistan
SHR JAFRI Department of Ophthalmology, Bakhtawar Amin Hospital & Medical & Dental College Multan, Pakistan
A MANZOOR Department of Ophthalmology, Bakhtawar Amin Hospital & Medical & Dental College Multan, Pakistan
MS REHMAN Department of Ophthalmology, Bakhtawar Amin Hospital & Medical & Dental College Multan, Pakistan

DOI:

https://doi.org/10.54112/bcsrj.v2023i1.252

Keywords:

Formula accuracy, Phacovitrectomy, Intraocular lens power

Abstract

The retrospective study was conducted in Bakhtawar Amin & Nishtar Medical Hospital from January 2022 to January 2023 to evaluate the accuracy of three new-generation formulas, using measurements from IOL-Master 700, in patients with vitreomacular interface disorders undergoing combined phacovitrectomy. A total of 110 patients (110 eyes) were included; Group I had 110 eyes, and Group II had 100 eyes. Group I had patients with normal phacoemulsification, and Group II had normally combined phacovitrectomy. For both groups, predictions from 8 IOL power calculation formulas were recorded. Results showed insignificant differences between Group I (P=.934) and Group II (P=.971).

Regarding the mean prediction error of formulas In Group I, the Kane formula had the best outcome.in Group II, the Kane formula has the lowest MAE. The Kane formula had the lowest MAE in Group III, though the difference was not statistically significant. It is concluded that the Kane formula consistently had the best rank, independent of the Group.

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