International ophthalmology · 2025
Effects of toric intraocular lens in cataract patients with axial myopia and regular corneal astigmatism at primary hospitals.
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Jiang Zhijian, Zhang Nan, Zhu Maoli, Huang Liang, Dong Jianhong
Аннотация
PURPOSE: To explore the long-term clinical efficacy of AcrySof toric intraocular lens (IOL) implantation to correct regular corneal astigmatism in cataract patients with axial myopia at primary hospitals.
METHODS: A total of 78 cataract patients (78 eyes) with regular corneal astigmatism and axial myopia were enrolled in the retrospective cohort study and were divided into two groups according to axial length (AL) (group 1: 24‒27 mm; group 2: 27‒30 mm). Best-corrected visual acuity (BCVA; in logarithms of the minimum angle of resolution), astigmatism value, and the lens axis deviation (LAD) were determined before and at 3 and 12 months after operation.
RESULTS: BCVA (LogMAR) and residual refractive astigmatism (RAS) at 3 and 12 months after IOL implantation were significantly lower than those before implantation in each group (p < 0.05). The differences of LAD at 3 and 12 months between the two groups were not significant (p > 0.05). The proportion of eyes with LAD exceeding 10° at 12 months was significantly lower in group 1 than in group 2 (p = 0.043). AL was closely correlated with LAD (r = 0.360, p = 0.001), and AL (odds ratio 2.527, 95% confidence interval 1.110-5.751) was a significant, independent risk factor for LAD at 12 months.
CONCLUSION: These data suggested that implantation of an AcrySof toric IOL is effective for correcting regular corneal astigmatism in eyes with axial myopia and cataract at primary hospitals. AL was an independent risk factor for toric IOL rotation.
METHODS: A total of 78 cataract patients (78 eyes) with regular corneal astigmatism and axial myopia were enrolled in the retrospective cohort study and were divided into two groups according to axial length (AL) (group 1: 24‒27 mm; group 2: 27‒30 mm). Best-corrected visual acuity (BCVA; in logarithms of the minimum angle of resolution), astigmatism value, and the lens axis deviation (LAD) were determined before and at 3 and 12 months after operation.
RESULTS: BCVA (LogMAR) and residual refractive astigmatism (RAS) at 3 and 12 months after IOL implantation were significantly lower than those before implantation in each group (p < 0.05). The differences of LAD at 3 and 12 months between the two groups were not significant (p > 0.05). The proportion of eyes with LAD exceeding 10° at 12 months was significantly lower in group 1 than in group 2 (p = 0.043). AL was closely correlated with LAD (r = 0.360, p = 0.001), and AL (odds ratio 2.527, 95% confidence interval 1.110-5.751) was a significant, independent risk factor for LAD at 12 months.
CONCLUSION: These data suggested that implantation of an AcrySof toric IOL is effective for correcting regular corneal astigmatism in eyes with axial myopia and cataract at primary hospitals. AL was an independent risk factor for toric IOL rotation.