One-Year Outcomes after implantation of an Extended Depth of Focus Intraocular Lens in Cataract patients.

PURPOSE

To evaluate the clinical outcomes of a new extended depth of focus (EDF) intraocular lens (IOL) in patients with cataracts.

SETTING

("Masked by journal requirement").

DESIGN

Retrospective observational.

METHODS

Data was retrospectively reviewed for a cohort of 51 consecutively operated cataract patients implanted with the ELON (Medicontur) IOL and followed over a 12-month period. The variables collected for analysis included visual acuities (VAs) at various distances (far, intermediate, and near), light distortion index (LDI), defocus curves (DC), and prediction error. Additionally, patient-reported outcomes were gathered to assess spectacle dependence, satisfaction with vision, positive dysphotopsia, difficulties in daily activities, and patients' willingness to undergo the same IOL procedure again.

RESULTS

Monocular data for efficacy was available for 36 patients at the 3-month follow-up and 23 patients at the 12-month follow-up. Median monocular distance-corrected VAs were 0, 0.1, and 0.3 logMAR at 4 m, 66 cm, and 40 cm, respectively, at 3 and 12 months. Correlations between VAs and pupil diameter were found but only at near for binocular uncorrected (rho=0.38, p=0.02) and monocular distance corrected (rho=0.31, p=0.07). The median LDI reduced up to 9% at 12-month. No significant differences were found between follow-up visits for VAs and LDI (p>0.05); however, satisfaction, positive dysphotopsia, and willingness to undergo the same IOL procedure significantly improved from 3 to 12 months (p<0.05).

CONCLUSIONS

The ELON IOL extended the depth of field from far to intermediate distances, with some patients with smaller pupil diameters also achieving near vision restoration.