Yonsei Med J.  2014 Sep;55(5):1413-1420. 10.3349/ymj.2014.55.5.1413.

Evaluation of Optical Quality Parameters and Ocular Aberrations in Multifocal Intraocular Lens Implanted Eyes

• Lee H
• Lee K
• Ahn JM
• Kim EK
• Sgrignoli
• Kim TI

• KMID: 1799511
• DOI: http://doi.org/10.3349/ymj.2014.55.5.1413

Abstract

PURPOSE
We investigated the correlations between optical quality parameters obtained from the double-pass system and ocular aberrations obtained from the ray-tracing aberrometer in multifocal intraocular lens (IOL) implanted eyes.
MATERIALS AND METHODS
Twenty eyes from 20 patients were enrolled in this study. Modulation transfer function cutoff frequency, The Strehl ratio, objective scatter index, and objective pseudo-accommodation obtained from the double-pass system were compared with root mean square (RMS) total aberration, RMS higher-order aberration, and spherical aberration obtained from the ray-tracing aberrometer. Additionally, parameters of the double-pass system and ray-tracing aberrometer were compared with manifested refraction values and subjective visual acuity, respectively.
RESULTS
There was no statistically significant correlation between optical quality parameters obtained from the double-pass system and ocular aberrations, except between the Strehl ratio and RMS total aberration (r=-0.566, p=0.018). No significant correlations were found between the parameters of both devices, and manifested refraction values or subjective visual acuity.
CONCLUSION
Optical quality parameters, especially the Strehl ratio, in multifocal IOL implanted eyes were affected by RMS total aberration. Further studies based on accurate measurements of ocular aberrations and additional optical quality parameters are needed to delineate relationships between optical quality parameters and ocular aberrations in multifocal IOL implanted eyes.

Keyword

Double-pass system; ray-tracing aberrometer; optical quality; multifocal intraocular lens; cataract surgery

MeSH Terms

Adult
Aged
Cataract Extraction
Female
Humans
Lens Implantation, Intraocular
*Lenses, Intraocular
Male
Middle Aged
*Refraction, Ocular
*Visual Acuity

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