Purpose: To evaluate the clinical outcomes of the toric version of a presbyopia-correcting intraocular lens (IOL) based on the combination of a diffractive-based extended depth of focus (EDOF) pattern and a diffractive multifocal platform.
Setting: Miranza COI Bilbao, Spain.
Design: Prospective case series.
Methods: Thirty-five patients (51-84 years) with corneal astigmatism ranging from 0.75 to 2.19 D undergoing bilateral cataract surgery with implantation of the Synergy™ Toric II IOL (Johnson & Johnson Vision, Jacksonville, Florida, USA) were evaluated during a 3-month follow-up. Visual acuity, refraction, defocus curve, and patient-reported outcomes with the Catquest-9SF questionnaire were analyzed. A vectorial analysis was used to analyze the accuracy of astigmatic correction.
Results: Mean 3-month monocular postoperative uncorrected distance, intermediate (80 cm) and near (40 cm) visual acuities were 0.06±0.11, 0.13±0.12, and 0.13±0.09 logMAR, respectively. Mean monocular distance-corrected intermediate (80 cm) and near visual acuity (40 cm) were 0.11±0.12 and 0.10±0.10 logMAR, respectively. Mean binocular defocus curve showed visual acuities of 0.10 logMAR or better for defocus levels from +0.50 to -2.50 D. Residual cylinder was within ±0.50 D in 97.0% of eyes. The surgically induced astigmatism prediction error ranged between -0.49 and 0.50 D, with a mean value of 0.04±0.16 D. Mean absolute IOL rotation was 3.79±2.94º. Significant improvements were found in all Rasch calibrated scores obtained with Catquest-9SF (p<0.001).
Conclusions: The implantation of the toric presbyopia correcting IOL evaluated provides an efficacious astigmatic correction while providing a fully restoration of the visual function across different distances.
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