Purpose To compare the mean effective lens position (ELP) and actual amount of axial movement of 3 aspheric intraocular lenses (IOLs) using anterior segment optical coherence tomography (AS-OCT). Setting Department of Ophthalmology, Korea University College of Medicine, Seoul, South Korea. Design Retrospective comparative study. Methods Consecutive patients had phacoemulsification with aspheric IOL implantation. The ELP measurements by AS-OCT were taken 1 week and 1, 3, and 6 months postoperatively. The ELP RMS was defined as the root mean square (RMS) of the change in ELP at each follow-up timepoint. Results An XL Stabi ZO 3-plate IOL was implanted in 30 eyes, an Acrysof IQ C-loop IOL in 22 eyes, and an Akreos MI-60 4-plate IOL in 17 eyes. The 4-plate IOL showed significant changes in the mean ELP from 1 week to 1 month and from 3 to 6 months postoperatively (P=.005 and P=.028, respectively). The changes of the other 2 IOLs were insignificant during the 3 postoperative visits. However, the mean ELPRMS of the C-loop IOL (0.06 mm ± 0.31 [SD]) was smaller than that of the 3-plate IOL (0.14 ± 0.28 mm) and the 4-plate IOL (0.20 ± 0.35 mm) (P=.014 and P=.023, respectively) during the 3 timepoints. Conclusion An appropriate method based on the actual amount of axial IOL movement, such as the ELPRMS, is needed to assess the axial positional stability of IOLs. Financial Disclosure No author has a financial or proprietary interest in any material or method mentioned.
ASJC Scopus subject areas
- Sensory Systems