In vivo (Athens, Greece) · 2025
Intraoperative Aberrometer Plus Image-guided System for Astigmatism Correction Compared to Standard Image-guided System for Significant Lens Opacity.
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Chou Michael Chia-Yen, Lee Chia-Yi, Yang Shun-Fa, Chen Yu-Hsu, Lin Hung-Yu
Аннотация
BACKGROUND/AIM: This study aimed to evaluate astigmatism after cataract surgery by comparing the use of an intraoperative aberrometer combined with an image-guided system (VLynk) versus an image-guided system alone (Verion) in patients with significant lens opacity.
PATIENTS AND METHODS: The main outcomes included the corrected distance visual acuity (CDVA), astigmatism, spherical equivalent (SE) status, and the predicting factors for reduced astigmatism in the two groups.
RESULTS: In this study, 73 patients were enrolled in the study group (VLynk); 76 individuals constituted the control group (Verion). Preoperative and postoperative CDVA between both groups were similar (all p>0.05). The postoperative cylinder power (p=0.002), postoperative SE (p=0.004), and the difference between real SE and estimated SE (p=0.001) were significantly lower in the VLynk group. Implantation of toric IOL was associated with less astigmatism in both groups (both p<0.05). Longer axial length (p=0.013) and higher central corneal power (p=0.023) were correlated with greater astigmatism in the Verion group.
CONCLUSION: VLynk is correlated with better postoperative astigmatism control and predictability compared to Verion in patients with significant lens opacity.
PATIENTS AND METHODS: The main outcomes included the corrected distance visual acuity (CDVA), astigmatism, spherical equivalent (SE) status, and the predicting factors for reduced astigmatism in the two groups.
RESULTS: In this study, 73 patients were enrolled in the study group (VLynk); 76 individuals constituted the control group (Verion). Preoperative and postoperative CDVA between both groups were similar (all p>0.05). The postoperative cylinder power (p=0.002), postoperative SE (p=0.004), and the difference between real SE and estimated SE (p=0.001) were significantly lower in the VLynk group. Implantation of toric IOL was associated with less astigmatism in both groups (both p<0.05). Longer axial length (p=0.013) and higher central corneal power (p=0.023) were correlated with greater astigmatism in the Verion group.
CONCLUSION: VLynk is correlated with better postoperative astigmatism control and predictability compared to Verion in patients with significant lens opacity.