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[Comparison of wavefront aberrations in pseudophakia with three types of intraocular lenses implantation]
1Eye Center, Affiliated Second Hospital of Zhejiang University, Hangzhou 310009, China. xlren@zju.edu.cn
Objective:
We compared wavefront aberration in pseudophakic eyes with 3 types of intraocular lenses (IOLs) implantation in order to obtain an objective evaluation of the optical quality of these pseudophakic eyes.
Methods:
This prospective study comprised 76 cataract patients (80 eyes) who had phacoemulsification surgery. The intraocular lenses of AcrySof MA30BM, Hydroview H60M, and Canon Staar, KS-1 were implanted in the patients at the numbers of 26, 27 and 27 eyes in each group respectively. Three months after cataract surgery, aberrations in the eyes were measured in un-dilated pupil using a Hartmann-Shack-type aberrometer (Asclepion-Meditec). The same measurements were done in 26 normal phakic eyes in age-matched persons. Individual Zernike polynomials, coma-like aberration, spherical aberration, the RMS value of total aberrations and total high order aberrations in the each group were compared.
Results:
The total high order aberrations (the RMS value of 3rd and 4th aberrations) in AcrySof group was higher than Canon Staar group (P = 0.011), and the Z (3, 1) Zernike coefficient in AcrySof group was significant difference compared with Hydroview group (P = 0.038).
Conclusion:
No significant differences in higher-order aberrations among eyes are demonstrated after implantation with 3 types IOLs in un-dilated pupil. The results suggest that there is no difference in the retinal image of pseudophakic eyes with 3 types of IOLs in regular condition.
