Abstract
Purpose
To compare the clinical outcomes between refractive-type multifocal intraocular lenses (IOL) (Lentis Mplus® LS 313, Oculentis GmbH., Berlin, Germany) and diffractive-type multifocal IOL (Acrysof Restor®; SN6AD1, Alcon Lab., Fort Worth, TX, USA) with same near added.
Methods
We evaluated 30 eyes implanted with Lentis Mplus® IOL and 33 eyes implanted with Acrysof Restor® IOL after phacoemulsification. The distant, intermediate, and near uncorrected visual acuities of the 2 groups were evaluated at 2 weeks and 1, 3, and 6 months postoperatively. Optical quality obtained using the Optical Quality Analysis System II (OQAS II®, Visiometrics, Castelldefels, Barcelona, Spain), higher-order aberrations (HOAs), and patient satisfaction questionnaire of the 2 groups were evaluated at 3 months postoperatively.
Results
The visual acuity of intermediate 100 cm was statistically better in the Lentis Mplus® group (p < 0.05). There were no significant differences between the 2 groups with distant, intermediate 63 cm, and near vision. At the 3-month postoperative fol-low-up, objective scatter index, modulation transfer function (MTF) cutoff value, and pseudo-accommodation range measured by OQAS II® showed no differences between the 2 groups, but Strhel ratio was higher in the Acrysof Restor® group. HOAs of 5 mm and 6 mm increased significantly in the Lentis Mplus® group. No significant differences were found in the patient satisfaction questionnaire.
References
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Table 1.
Restor® | Lentis Mplus® | p-value* | |
---|---|---|---|
No. of eyes (patients) | 33 (28) | 30 (24) | |
Male:female (eyes) | 16:17 | 18:12 | |
Mean age (years) | 52.58 ± 5.06 | 55.50 ± 7.21 | 0.065 |
Preoperative S.E. (D) | -0.55 ± 2.31 | 0.29 ± 1.29 | 0.179 |
IOL power (D) (range) | 20.36 ± 1.42 (17.5-24.0) | 19.50 ± 1.64 (17.0-22.0) | 0.088 |
Axial length (mm) | 23.64 ± 0.73 | 23.69 ± 0.72 | 0.795 |
Preoperative UCVA (log MAR) | 0.53 ± 0.37 | 0.42 ± 0.28 | 0.383 |
Table 2.
UCDVA | UNVA | UIVA 63 cm | UIVA 100 cm* | ||
---|---|---|---|---|---|
Restor® | Postoperative 2 weeks | 0.03 ± 0.06 | 0.05 ± 0.07 | 0.16 ± 0.13 | 0.30 ± 0.16 |
Lentis Mplus® | 0.04 ± 0.06 | 0.08 ± 0.07 | 0.13 ± 0.12 | 0.10 ± 0.12 | |
Restor® | Postoperative 1 month | 0.03 ± 0.04 | 0.05 ± 0.07 | 0.17 ± 0.14 | 0.28 ± 0.16 |
Lentis Mplus® | 0.04 ± 0.05 | 0.08 ± 0.08 | 0.16 ± 0.27 | 0.10 ± 0.10 | |
Restor® | Postoperative 3 months | 0.03 ± 0.05 | 0.07 ± 0.09 | 0.15 ± 0.15 | 0.27 ± 0.17 |
Lentis Mplus® | 0.04 ± 0.05 | 0.08 ± 0.09 | 0.12 ± 0.07 | 0.08 ± 0.10 | |
Restor® | Postoperative 6 months | 0.03 ± 0.05 | 0.04 ± 0.06 | 0.16 ± 0.15 | 0.28 ± 0.17 |
Lentis Mplus® | 0.04 ± 0.05 | 0.08 ± 0.10 | 0.16 ± 0.09 | 0.12 ± 0.11 |
Table 3.
Postoperative 2 weeks | Postoperative 1 month | Postoperative 3 months | Postoperative 6 months | p-value* | ||
---|---|---|---|---|---|---|
S.E. (MR) | Restor® | -0.13 ± 0.31 | -0.12 ± 0.33 | -0.10 ± 0.29 | -0.13 ± 0.27 | 0.035 |
Lentis Mplus® | -0.08 ± 0.27 | -0.05 ± 0.23 | -0.04 ± 0.29 | 0.02 ± 0.28 | ||
S.E. (AR) | Restor® | -0.16 ± 0.27 | -0.16 ± 0.28 | -0.08 ± 0.29 | -0.14 ± 0.25 | <0.001 |
Lentis Mplus® | -1.19 ± 0.32 | -1.16 ± 0.40 | -1.03 ± 0.46 | -1.01 ± 0.42 | ||
S.E. (MR) and target | Restor® | 0.29 ± 0.25 | 0.32 ± 0.20 | 0.27 ± 0.21 | 0.30 ± 0.20 | 0.440 |
ref. difference | Lentis Mplus® | 0.23 ± 0.19 | 0.20 ± 0.16 | 0.26 ± 0.21 | 0.25 ± 0.21 |
Table 4.
Restor® | Lentis Mplus® | p-value | |
---|---|---|---|
OSI | 1.07 ± 0.40 | 0.88 ± 0.39 | 0.065 |
MTF-cut off | 40.98 ± 8.07 | 37.44 ± 8.66 | 0.098 |
Strhel ratio | 0.25 ± 0.07 | 0.18 ± 0.05 | 0.000* |
Table 5.
Restor® | Lentis Mplus® | p-value | |
---|---|---|---|
HOA 5 mm | 0.29 ± 0.08 | 0.59 ± 0.17 | 0.000* |
HOA 6 mm | 0.50 ± 0.13 | 1.07 ± 0.22 | 0.000* |
Vertical trefoil | 0.21 ± 0.14 | 0.31 ± 0.31 | 0.203 |
Horizontal trefoil | 0.16 ± 0.11 | 0.20 ± 0.22 | 0.473 |
Vertical coma | 0.15 ± 0.10 | 0.47 ± 0.32 | 0.000* |
Horizontal coma | 0.11 ± 0.10 | 0.22 ± 0.22 | 0.046* |
4th order spherical aberration | 0.28 ± 0.09 | 0.56 ± 0.17 | 0.000* |
Quadrafoil | 0.07 ± 0.07 | 0.07 ± 0.10 | 0.857 |
2nd astigmatism | 0.05 ± 0.03 | 0.06 ± 0.07 | 0.413 |
Pentafoil | 0.04 ± 0.04 | 0.06 ± 0.05 | 0.111 |
2nd vertical trefoil | 0.02 ± 0.02 | 0.03 ± 0.03 | 0.192 |
2nd horizontal trefoil | 0.03 ± 0.03 | 0.03 ± 0.03 | 0.843 |
2nd vertical coma | 0.03 ± 0.03 | 0.05 ± 0.04 | 0.087 |
2nd horizontal coma | 0.02 ± 0.03 | 0.03 ± 0.03 | 0.564 |