J Korean Ophthalmol Soc.  2009 Nov;50(11):1632-1638.

Combined Implantation of Monofocal and Multifocal Intraocular Lenses in Senile Cataract Surgery

• Kim JH
• Lee JW
• Chung JL
• Kim EK
• Kim TI

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.
CONCLUSIONS
The combined implantation of a monofocal and a multifocal lens revealed similar visual outcomes compared to bilateral multifocal IOL implantation except for near vision. In addition, the results showed similar patient satisfaction in both groups.

Keyword

Cataract surgery; Combined implantation; Multifocal intraocular lens

MeSH Terms

Cataract
Contrast Sensitivity
Eye
Glare
Humans
Lenses, Intraocular
Patient Satisfaction
Quality of Life
Surveys and Questionnaires
Telescopes
Vision, Ocular
Visual Acuity

Figure

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  Figure 1. Mean binocular postoperative visual acuities of 2 groups at photopic condition (A) and mesopic condition (B). There was significant difference in the uncorrected (UCNVA) (p=0.048, Mann-Whitney U test) and corrected near visual acuity (BCNVA) (p=0.027, Mann-Whitney U test) between two groups only in the mesopic condition (B).* Statistically significant in Mann-Whitney test (p<0.05). UCNVA=uncorrected near visual acuity; UCIVA=uncorrected intermediate visual acuity; UCFVA=uncorrected far visual acuity; BDCNVA=best distance corrected near visual acuity; BDCIVA=best distance corrected intermediate visual acuity; BDCFVA=best distance corrected far visual acuity.(Group 1=combined implantation; Group 2=bilateral multifocal implantation)

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  Figure 2. Postoperative binocular reading speed results in the 2 groups at 6 Months. There was no statistically significant difference between the 2 groups.

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  Figure 3. Contrast sensitivity test in the 2 groups at photopic condition (A) and mesopic condition (B). There was no statistically significant difference between the 2 groups.

Reference

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