Effect of residual spherical equivalent on visual outcomes of trifocal intraocular lens implantation in patients with cataracts across different refractive states

Effect of residual spherical equivalent on visual outcomes of trifocal intraocular lens implantation in patients with cataracts across different refractive states. Download PDF Abstract We aimed to compare the visual outcomes associated with different postoperative spherical equivalents (SEs) following trifocal intraocular lens implantation in patients with cataracts across different refractive states. This study included 156 eyes of 100 patients.

The corrected distance visual acuity, uncorrected distance visual acuity, uncorrected intermediate visual acuity, uncorrected near visual acuity, SE, defocus curve, visual quality and satisfaction were compared postoperatively. For non-axial myopia, group B showed better visual acuity at + 0.5 D and + 1.0 D (P = 0.013 and P < 0.001), but worse visual acuity at -3.5 D and − 4.0 D defocus (P = 0.013 and P = 0.004), with better far vision satisfaction (P = 0.030). For mild to moderate axial myopia, group A showed worse visual acuity at + 0.5 D defocus (P = 0.006) and + 1.0 D (P < 0.001).

For high axial myopia, the postoperative UNVA was better in group A (P = 0.010). Group An exhibited better visual acuity at -3.0 D, -3.5 D and − 4.0 D (P = 0.018, P = 0.002 and P < 0.001), but worse visual acuity at + 0.5 D and + 1.0 D (P = 0.002 and P < 0.001), with a higher near vision satisfaction (P = 0.021). Trifocal IOLs can provide good visual outcomes.

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