Purpose: To evaluate visual and refractive outcomes, as well as patient satisfaction after bilateral implantation of an enhanced monofocal intraocular lens (IOL) with emmetropia as a target refraction.
Setting: San Carlos Hospital, Madrid, Spain.
Design: Prospective, monocentric, non-comparative study.
Methods: Adults 21 years or older suitable for cataract surgery and with corneal astigmatism < 1.50D were bilaterally implanted with the RayOne EMV IOL and followed up for 3-months. Outcomes measures included refraction, monocular and binocular uncorrected distance visual acuity (UDVA), corrected distance visual acuity (CDVA), uncorrected intermediate visual acuity (UIVA), distance corrected intermediate visual acuity (DCIVA), and defocus curve, aberrometry, and satisfaction. Visual symptoms were assessed using the CatQuest-9SF questionnaire.
Results: 50 eyes of 25 patients were included. At Month-3, the mean manifest spherical equivalent was -0.39 ± 0.28 D, with all eyes within 1.00 D. Binocularly, uncorrected, at distance, 68% of patients could read ≤ 0.0 logMAR and 95% ≤ 0.2 logMAR; at intermediate 59% of patients could read ≤0.1 and 100% ≤ 0.2 logMAR. Mean monocular CDVA was -0.03 ± 0.06 logMAR and mean monocular DCIVA was 0.28 ± 0.07 logMAR. Binocular defocus curve demonstrated a visual acuity ≤ 0.2 logMAR over a 2 D range from +1.00 D to -1.25 D. Satisfaction was good in 96% of patients.
Conclusion: Bilateral implantation of an enhanced monofocal IOL with emmetropia as a target provided excellent binocular CDVA and good DCIVA, with a high level of satisfaction.
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