Cataract surgery with toric intraocular lens implantation in patients with high corneal astigmatism. 2011

Nienke Visser, and Ramón Ruíz-Mesa, and Francisco Pastor, and Noël J C Bauer, and Rudy M M A Nuijts, and Robert Montés-Micó
University Eye Clinic, Maastricht University Medical Center, Maastricht, The Netherlands.

OBJECTIVE To evaluate the visual and refractive outcomes after toric intraocular lens (IOL) implantation in patients with high amounts of corneal astigmatism. METHODS University Eye Clinic, Maastricht, The Netherlands; Oftalvist Centro Integral Ocular and Fundación Oftalmológica del Mediterráneo, Valencia, Spain. METHODS Cohort study. METHODS This study comprised eyes with cataract and more than 2.25 diopters (D) of corneal astigmatism who had toric Acrysof SN60T6, SN60T7, SN60T8, or SN60T9 IOL implantation. The uncorrected (UDVA) and corrected (CDVA) distance visual acuities, visual potential index (ratio of postoperative UDVA to postoperative CDVA), residual refractive cylinder, IOL misalignment, and surgically induced astigmatism (SIA) were evaluated. RESULTS The mean follow-up in this study of 67 eyes (45 patients) was 6.3 months. Postoperatively, the mean UDVA was 0.61 ± 0.26 (SD) and the mean CDVA, 0.81 ± 0.21. The UDVA of 20/40 was better in 83% of eyes and 20/30 or better in 50% of eyes. The mean visual potential index was 0.78. The residual refractive cylinder was less than 0.75 D in 62% of eyes and less than 1.00 D in 81% of eyes. The mean IOL misalignment was 3.2 ± 2.8 degrees. The mean SIA was -0.40 ± 0.60 D with a superior incision and -0.19 ± 0.78 D with a temporal incision (P=.034). CONCLUSIONS Implantation of the toric IOL during cataract surgery was effective and safe in correcting high amounts of corneal astigmatism.

UI MeSH Term Description Entries
D007910 Lenses, Intraocular Artificial implanted lenses. Implantable Contact Lens,Lens, Intraocular,Contact Lens, Implantable,Intraocular Lens,Intraocular Lenses,Lens, Implantable Contact
D008297 Male Males
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D011183 Postoperative Complications Pathologic processes that affect patients after a surgical procedure. They may or may not be related to the disease for which the surgery was done, and they may or may not be direct results of the surgery. Complication, Postoperative,Complications, Postoperative,Postoperative Complication
D011446 Prospective Studies Observation of a population for a sufficient number of persons over a sufficient number of years to generate incidence or mortality rates subsequent to the selection of the study group. Prospective Study,Studies, Prospective,Study, Prospective
D012029 Refraction, Ocular Refraction of LIGHT effected by the media of the EYE. Ocular Refraction,Ocular Refractions,Refractions, Ocular
D002386 Cataract Partial or complete opacity on or in the lens or capsule of one or both eyes, impairing vision or causing blindness. The many kinds of cataract are classified by their morphology (size, shape, location) or etiology (cause and time of occurrence). (Dorland, 27th ed) Cataract, Membranous,Lens Opacities,Pseudoaphakia,Cataracts,Cataracts, Membranous,Lens Opacity,Membranous Cataract,Membranous Cataracts,Opacities, Lens,Opacity, Lens,Pseudoaphakias
D005260 Female Females
D005500 Follow-Up Studies Studies in which individuals or populations are followed to assess the outcome of exposures, procedures, or effects of a characteristic, e.g., occurrence of disease. Followup Studies,Follow Up Studies,Follow-Up Study,Followup Study,Studies, Follow-Up,Studies, Followup,Study, Follow-Up,Study, Followup
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man

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