J Korean Ophthalmol Soc.  2010 May;51(5):677-683.

Clinical Outcomes After Microincision Cataract Surgery and In-the-bag Implantation of a New Intraocular Lens

Affiliations
  • 1Department of Ophthalmology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea. HungTchah@amc.seoul.kr

Abstract

PURPOSE
To compare visual performance after microincision cataract surgery (MICS) with the implantation of the Akreos MI-60 (MI-60) intraocular lens (IOL) through a 1.8-mm microincision with that after conventional cataract surgery with implantation of the Akreos Adapt-AO IOL (Adapt-AO).
METHODS
All MICS procedures were performed by the same surgeon. The MI-60 was implanted into 25 eyes, and the Adapt-AO was place in 28 eyes. Best corrected visual acuity (BCVA), total high-order-aberration (HOA), contrast sensitivity, and surgically- induced astigmatism (SIA) were recorded one-week, one-month, and four-months postoperatively.
RESULTS
There were no statistically significant differences in BCVA between eyes implanted with the MI-60 or those with the Adapt-AO (MI-60 vs. Adapt-AO, 0.09+/-0.11 at baseline (logMAR), 0.11+/-0.08 at one-week, 0.06+/-0.07, 0.06+/-0.06 at one-month, 0.05+/-0.06, 0.06+/-0.05 at four-months according to the Mann-Whitney U test, p>0.05). Refractive errors were significantly less with the Adapt-AO than with the MI-60 (MI-60 vs. Adapt-AO, -0.50+/-0.43 at baseline (diopter), -0.06+/-0.39 at one-week, -0.50+/-0.41, 0.01+/-0.57 at one-month, -0.46+/-0.36, 0.08+/-0.58 at four-months according to the Mann-Whitney U test, p<0.05). There were no statistically significant differences in total HOA or contrast sensitivity between eyes implanted with the MI-60 and those implanted with the Adapt-AO. SIAs were significantly reduced in eyes implanted with the MI-60 than in those with the Adapt-AO at one-month and four-months postoperatively (Mann-Whitney U test, p<0.05).
CONCLUSIONS
Implantation with either the MI-60 or the Adapt-AO produced clinically acceptable outcomes, including good spherical aberration and contrast sensitivity. Furthermore, implantation with the MI-60 caused less SIA at one- and four-months postoperation, as compared to that with the Adapt-AO.

Keyword

Contrast sensitivity; Microincision cataract surgery; Phacoemulsification; Spherical aberration; Surgically-induced astigmatism

MeSH Terms

Aniline Compounds
Astigmatism
Cataract
Contrast Sensitivity
Eye
Hypogonadism
Lenses, Intraocular
Mitochondrial Diseases
Ophthalmoplegia
Phacoemulsification
Refractive Errors
Visual Acuity
Aniline Compounds
Hypogonadism
Mitochondrial Diseases
Ophthalmoplegia

Figure

  • Figure 1. (A) Contrast sensitivity test results of Akreos MI-60 and Akreos Adapt-AO IOL-implanted groups in photopic condition at postoperative 1 month (Mann-Whitney U test, P>0.05). (B) Contrast sensitivity test result of Akreos MI-60 and Akreos Adapt-AO IOL-implanted groups in mesopic condition at postoperative 1 month (Mann-Whitney U test, * P=0.03).

  • Figure 2. (A) Contrast sensitivity test result of Akreos MI-60 and Akreos Adapt-AO IOL-implanted groups in photopic condition at postoperative 4 months (Mann-Whitney U test, P>0.05). (B) Contrast sensitivity test result of Akreos MI-60 and Akreos Adapt-AO IOL-implanted groups in mesopic condition at postoperative 4 months (Mann-Whitney U test, P>0.05).

  • Figure 3. Comparison of preoperative and postoperative astigmatism between Akreos MI-60 IOL-implanted group and Akreos Adapt-AO IOL-implanted group. (* Mann-Whitney U test, P<0.05)


Reference

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