Clinical Evaluation of Functional Vision of +1.5 Diopters near Addition, Aspheric, Rotational Asymmetric Multifocal Intraocular Lens
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Purpose: To evaluate postoperative outcomes and visual performance in intermediate distance afterimplantation of a +1.5 diopters (D) addition, aspheric, rotational asymmetric multifocal intraocularlens (MIOL). Methods: Patients underwent bilateral cataract surgery with implantation of an aspheric, asymmetricMIOL with +1.5 D near addition. A complete ophthalmological examination was performed preoperativelyand 3 months postoperatively. The main outcome measures were monocular and binocularuncorrected distance visual acuity (UDVA), corrected distance visual acuity (CDVA), uncorrectedintermediate visual acuity (UIVA), distance corrected intermediate visual acuity (DCIVA), uncorrectednear visual acuity (UNVA) and distance corrected keratometry, and manifest refraction. The SalzburgReading Desk was used to analyze unilateral and bilateral functional vision with uncorrected and correctedreading acuity, reading distance, reading speed, and the smallest log-scaled print size that could be read effectivelyat near and intermediate distances. Results: The study comprised 60 eyes of 30 patients (mean age, 68.30 ± 9.26 years; range, 34 to 80years). There was significant improvement in UDVA and CDVA. Mean UIVA was 0.01 ± 0.09 logarithmof the minimum angle of resolution (logMAR) and mean DCIVA was -0.02 ± 0.11 logMAR. In Salzburg ReadingDesk analysis for UIVA, the mean subjective intermediate distance was 67.58 ± 8.59 cm with meanUIVA of -0.02 ± 0.09 logMAR and mean word count of 96.38 ± 28.32 words/min. Conclusions: The new aspheric, asymmetric, +1.5 D near addition MIOL offers good results for distancevisual function in combination with good performance for intermediate distances and functionalresults for near distance.
Abstract
Purpose: To evaluate postoperative outcomes and visual performance in intermediate distance afterimplantation of a +1.5 diopters (D) addition, aspheric, rotational asymmetric multifocal intraocularlens (MIOL). Methods: Patients underwent bilateral cataract surgery with implantation of an aspheric, asymmetricMIOL with +1.5 D near addition. A complete ophthalmological examination was performed preoperativelyand 3 months postoperatively. The main outcome measures were monocular and binocularuncorrected distance visual acuity (UDVA), corrected distance visual acuity (CDVA), uncorrectedintermediate visual acuity (UIVA), distance corrected intermediate visual acuity (DCIVA), uncorrectednear visual acuity (UNVA) and distance corrected keratometry, and manifest refraction. The SalzburgReading Desk was used to analyze unilateral and bilateral functional vision with uncorrected and correctedreading acuity, reading distance, reading speed, and the smallest log-scaled print size that could be read effectivelyat near and intermediate distances. Results: The study comprised 60 eyes of 30 patients (mean age, 68.30 ± 9.26 years; range, 34 to 80years). There was significant improvement in UDVA and CDVA. Mean UIVA was 0.01 ± 0.09 logarithmof the minimum angle of resolution (logMAR) and mean DCIVA was -0.02 ± 0.11 logMAR. In Salzburg ReadingDesk analysis for UIVA, the mean subjective intermediate distance was 67.58 ± 8.59 cm with meanUIVA of -0.02 ± 0.09 logMAR and mean word count of 96.38 ± 28.32 words/min. Conclusions: The new aspheric, asymmetric, +1.5 D near addition MIOL offers good results for distancevisual function in combination with good performance for intermediate distances and functionalresults for near distance.
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