What question did this study set out to answer?

To assess visual outcomes and patient satisfaction in cataract surgery using enhanced monofocal IOLs in patients with prior corneal refractive surgery.

January 14, 2026

Visual Outcomes and Patient Satisfaction Following Implantation of Enhanced Monofocal IOL in Patients After Corneal Refractive Surgery

Key Points

To assess visual outcomes and patient satisfaction in cataract surgery using enhanced monofocal IOLs in patients with prior corneal refractive surgery.
Ambispective comparative pilot study
Involves 32 eyes of 21 patients with prior corneal refractive surgery
Comparison between enhanced and standard monofocal IOLs at multiple postoperative intervals
Enhanced IOL group showed better contrast sensitivity (1.41) than standard group (1.27; P = .03)
Higher overall patient satisfaction in enhanced IOL group (P = .02)
Similar uncorrected and corrected distance, intermediate, and near visual acuity between both groups

Abstract

Purpose: To determine the visual outcomes and patient satisfaction in patients undergoing cataract surgery who had previous corneal refractive surgery with implantation of enhanced monofocal intraocular lenses (IOLs). Methods: This was an ambispective, comparative pilot study conducted at Dr. Rajendra Prasad Centre for Ophthalmic Sciences, All India Institute of Medical Sciences, Delhi, India. Thirty-two eyes of 21 patients with a history of prior corneal refractive surgery presenting with cataract in one or both eyes were included in the study. Sixteen eyes were included in each group: enhanced monofocal IOL and standard monofocal IOL. They were evaluated at postoperative 1 day, 1 week, 1 month, and 3 months. The uncorrected and corrected distance (UDVA and CDVA), intermediate (UIVA and CIVA), and near (UNVA and CNVA) visual acuity, contrast sensitivity (CS), and subjective quality of vision were compared between the two groups. Results: The UDVA was 0.20 ± 0.12 and 0.27 ± 0.10 logarithm of the minimum resolution (logMAR) ( P = .08), CDVA was 0.05 ± 0.07 and 0.11 ± 0.10 logMAR ( P = .07), UIVA was 0.20 ± 0.13 and 0.31 ± 0.17 logMAR ( P = .08), CIVA was 0.10 ± 0.11 and 0.18 ± 0.13 logMAR ( P = .05), UNVA was 0.32 ± 0.22 and 0.41 ± 0.13 logMAR ( P = .08), and CNVA was 0.06 ± 0.07 and 0.11 ± 0.10 logMAR ( P = .09) in the enhanced and standard monofocal IOL groups, respectively. The contrast sensitivity was significantly better in the enhanced monofocal IOL group (1.41 ± 0.18) as compared to the standard monofocal IOL group (1.27 ± 0.16; P = .03). The overall patient satisfaction was higher in the enhanced monofocal IOL group ( P = .02). Conclusions: Implantation of enhanced monofocal IOLs in patients with cataract and previous corneal refractive surgery provided better contrast sensitivity and overall higher patient satisfaction with comparable uncorrected distance, intermediate, and near visual acuity as compared to the standard monofocal IOL group.

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