Study to Determine the Visual Outcome, Visual Quality, and Satisfaction among EDOF and Multifocal IOL Implantation
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Abstract
Background: Advancements in intraocular lens (IOL) technology have revolutionized cataract surgery from a vision-restoring procedure to a refractive one, aiming to enhance postoperative visual performance and reduce spectacle dependence. Among the newer IOL designs, Extended Depth of Focus (EDOF) and multifocal lenses are widely used to achieve a broader range of vision with improved patient satisfaction.
Aim: To compare the visual outcomes and patient satisfaction following implantation of EDOF and multifocal IOLs in patients undergoing cataract surgery.
Materials and methods: A prospective comparative study was conducted on 76 patients (152 eyes) undergoing cataract surgery, equally divided into two groups: EDOF and multifocal IOL implantation. Parameters assessed included uncorrected and best-corrected distance visual acuity (UCDVA, BCDVA), intermediate visual acuity (UCIVA, BCIVA), and near visual acuity (UCNVA, BCNVA) at preoperative, 1-month, and 3-month follow-up intervals. Postoperative complications and patient satisfaction were also analyzed.
Results: There was a significant improvement in all visual parameters in both groups at 1 and 3 months postoperatively (p < 0.05). EDOF lenses provided superior intermediate visual outcomes, with 88.42% achieving LogMAR 0-0.32 intermediate
vision at 3 months, while multifocal IOLs showed better near vision performance, with 100% achieving functional near vision (N6-N8). Distance vision outcomes were comparable between the groups (p > 0.05). Patient satisfaction scores were high in both groups (EDOF = 89.5%, Multifocal = 86.8%), with fewer complaints of glare and halos in the EDOF group.
Conclusion: Both EDOF and multifocal IOLs significantly improve postoperative visual acuity and patient satisfaction. EDOF IOLs offer enhanced intermediate vision and reduced photic phenomena, whereas multifocal IOLs excel in near vision performance. The choice between them should be individualized based on the patient’s visual needs and lifestyle preferences.
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