Artikel
The effect of a near segment position of a zonal refractive multifocal IOL in visual perfomance and patient’s satisfaction
Suche in Medline nach
Autoren
-
Hung-Won Tchah
- Seoul/ROK
| Veröffentlicht: | 5. April 2013 |
|---|
Gliederung
Text
Purpose: To evaluate Influence of the near segment position of a zonal refractive multifocal IOL on visual perfomance and patient's satisfaction
Patients and methods: A zonal refractive multifocal IOLs (Lentis M LS313) were implanted in 31 eyes. Average age of patients was 65.3 years. Routine phacoemusification was done and IOL was implanted in the capsular bag. A near segment of this IOL was located inferiorly in 21 eyes, superiorly in 5 eyes and temporally in 5 eyes. VA, high order aberration (HOA), visual symptoms and satisfaction rate were evaluated post-operatively.
Results: UDVA was 0.09±0.09, 0.14±0.16, 0.06±0.13 (LogMAR) and UNVA was 0.31±0.21, 0.40±0.14, 0.40±0.12 (LogMAR) in inferior, superior, temporal position group, respectively (p>0.4). There was a statistically significant difference in coma aberration according to a near segment position. Vertical coma was -0.27±0.32 μm, 0.59±0.17 μm, -0.10±0.20 μm and horizontal coma was -0.07±0.22 μm, -0.04±0.24 μm, -0.38±0.03 μm in inferior, superior, temporal position group, respectively (p<0.05) . There was no difference in total HOA, symptoms and satisfaction rate between groups.
Conclusion: Patients with a zonal refractive multifocal IOLs seemed to have good DVA and NVA regardless of near segment position. However, amount of coma aberration varied according to near segment position, which might deteriorate visual quality in case of cornea with high coma aberration.
