Abstract
Purpose
To assess binocular visual outcomes in patients who were implanted with a monofocal IOL (intraocular lens) in one eye and a multifocal IOL in the contralateral eye or with a bilateral multifocal IOL.
Methods
This study enrolled 15 patients (30 eyes) implanted with a monofocal IOL in one eye and a multifocal IOL in the contralateral eye (5 patients, group 1) or with a bilateral multifocal IOL (10 patients, group 2). Binocular visual acuity (uncorrected/best distance corrected near, intermediate, and distance vision), binocular uncorrected reading speed, and contrast sensitivity were assessed at 6 months following the last implantation. Patient's quality of life (overall satisfaction, halos and glare presence, and spectacle dependence) was also assessed using a questionnaire at 6 months postoperatively.
Results
There was significant difference in the uncorrected and corrected near visual acuity between the 2 groups in the mesopic condition. There was no significant difference in visual acuity, reading speed and contrast sensitivity in other conditions between the 2 groups. Spectacle dependence rate was 60% in group 1 and 20% in group 2. The glare symptom was present in 60% of patients in both groups and the halo symptom was present in 3 out of 10 patients in group 2. Overall satisfaction score was not significantly different between the groups.
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Table 1.
Table 2.
Group 1 | Group 2 | p-value | |
---|---|---|---|
No. of patients | 5 | 10 | − |
No. of eyes | 10 | 20 | − |
Age (yr) mean (± SD) | 65.50 (±1.29) | 65.50 (±7.19) | 0.864 |
Gender (M/F) | 2/3 | 3/7 | 0.547 |
SE* mean (± SD) | +1.25 (±0.35) | +1.62 (±0.77) | 0.547 |
UCVA† mean (± SD) | 0.40 (±0.07) | 0.30 (±0.19) | 0.494 |