Comparison of High Order Aberration in Pseudophakic Eyes with Different Acrylic Intraocular Lenses (IOLs)

ABSTRACT

PURPOSE: To compare high order aberrations (HOA) among pseudophakic eyes with three different types of acrylic intraocular lenses (IOLs) and phakic eyes. METHODS: The ocular aberrations were measured within the central 4 mm pupil zone, using the Hartmann-Shack aberrometer in the eyes with acrylic IOLs, such as Acrysof(R) MA60BM, Acrysof(R) SA60AT, or Sensar(R) AR40e, at one month after uneventful cataract surgery and in the phakic eyes. Total HOA root-mean-square (RMS) value, coma, trefoil, and spherical aberration were compared among the groups. RESULTS: A total 49 pseudophakic and 18 phakic eyes were enrolled. Of the acrylic IOLs, Acrysof(R) MA60BMs (Alcon) were inserted in 16 eyes, Acrysof(R) SA60ATs (Alcon) in 16 eyes, Sensar(R) AR40es (Allergan Surgical) in 17 eyes. The average ages and pupil diameters among the four groups were not different (p=0.413, 0.797, respectively). The RMS values of total HOA, coma, and trefoil were not different among the groups (p=0.781, 0.370, 0.509, respectively), whereas the spherical aberration was significantly different among the four groups (p=0.033, Kruskal-Wallis test). There was no difference in the spherical aberration of the three acrylic IOL groups, but eyes with Acrysof(R) MA60BMs, Acrysof(R) SA60ATs had a larger spherical aberration than phakic eyes (p=0.040, 0.021, respectively, Mann-Whitney U test). CONCLUSIONS: There were no statistically significant differences in total HOA, coma, and trefoil among pseudophakias implanted with three different acrylic IOLs and phakic eyes. There was no difference in spherical aberration between the different IOL groups, but eyes with some acrylic IOLs had a larger spherical aberration than phakic eyes.