Abstract
To assess the quality of vision in pseudophakic patients with aspheric intraocular lens (IOL) without spherical aberration compared to patients with spherical IOL.Twenty-four patients (48 eyes) undergoing cataract surgery were randomly divided into two groups: 12 patients received an aspheric IOL in both eyes and 12 received spherical IOLs. The integrity of ocular functions was assessed with clinical examination and multifocal electroretinogram. Postoperative evaluations were conducted 3 months after surgery. Refraction, best-corrected visual acuity, contrast sensitivities, and wavefront ocular aberrations were analyzed. Patient-centered visual functions were evaluated according to the Activities of Daily Vision Scale.The ADVS score was better in the aspheric IOL group (p=0.01), particularly concerning the best-corrected near vision (p=0.006). Refraction and BCVA were similar. Contrast sensitivities in photopic conditions was better in the aspherical IOL group (p<0.001). Higher-order aberration was not different, except from spherical aberration (p=0.022).Patients with the aspherical IOLs felt they had better quality of vision, particularly near vision, compared with the spherical IOL group. These patient-centered benefits were associated with better photopic contrast sensitivity and reduced spherical aberration.
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