March 2012
Volume 53, Issue 14
Free
ARVO Annual Meeting Abstract  |   March 2012
The Relationship of Cataract and Cataract Extraction to Age-related Macular Degeneration: The Beaver Dam Eye Study
Author Affiliations & Notes
  • Barbara E. Klein
    Ophthalmology & Visual Sciences, University of Wisconsin-Madison, Madison, Wisconsin
  • Kerri P. Howard
    Ophthalmology & Visual Sciences, University of Wisconsin-Madison, Madison, Wisconsin
  • Kristine E. Lee
    Ophthalmology & Visual Sciences, University of Wisconsin-Madison, Madison, Wisconsin
  • Sudha K. Iyengar
    Epidemiology & Biostatistics, Case Western Reserve University, Cleveland, Ohio
  • Theru A. Sivakumaran
    Division of Human Genetics, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio
  • Ronald Klein
    Ophthalmology & Visual Sciences, University of Wisconsin-Madison, Madison, Wisconsin
  • Footnotes
    Commercial Relationships  Barbara E. Klein, None; Kerri P. Howard, None; Kristine E. Lee, None; Sudha K. Iyengar, None; Theru A. Sivakumaran, None; Ronald Klein, None
  • Footnotes
    Support  Supported by NIH-NEI grant EY06594 and, in part, by Research to Prevent Blindness (R Klein, BEK Klein, Senior Scientific Investigator Awards, New York, NY).
Investigative Ophthalmology & Visual Science March 2012, Vol.53, 1722. doi:
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      Barbara E. Klein, Kerri P. Howard, Kristine E. Lee, Sudha K. Iyengar, Theru A. Sivakumaran, Ronald Klein; The Relationship of Cataract and Cataract Extraction to Age-related Macular Degeneration: The Beaver Dam Eye Study. Invest. Ophthalmol. Vis. Sci. 2012;53(14):1722.

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      © ARVO (1962-2015); The Authors (2016-present)

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Abstract

Purpose: : To examine the associations of cataract and cataract surgery with early and late age-related macular degeneration (AMD) over a 20-year interval in the longitudinal, population-based Beaver Dam Eye Study.

Methods: : All persons 43-84 years of age were recruited in 1987-1988. Participants were followed up at five year intervals after the baseline examination in 1988-1990. Examinations consisted of ocular examination with lens and fundus photography, medical history, measurements of blood pressure, height, and weight. Values of risk variables were updated, and incidences of early and late AMD were calculated for each 5-year interval. Odds ratios were computed using discrete linear logistic regression modeling with generalized estimating equation methods to account for correlation between the eyes and multiple intervals.

Results: : After controlling for age and sex, neither cataract nor cataract surgery was associated with increased odds for developing early AMD. Further controlling for high risk gene alleles (CFH and ARMS2) and other possible risk factors did not materially affect the odds ratio (OR). However, cataract surgery was associated with incidence of late AMD (OR 1.93; 95% confidence interval 1.28, 2.90). This OR was not materially altered by further controlling for high risk alleles (CFH Y402H, ARMS2) or for other risk factors. The OR for late AMD was higher for cataract surgery performed 5 or more years prior as compared to less than 5 years prior.

Conclusions: : These data strongly support the past findings of an association of cataract surgery with late AMD independent of other risk factors including high risk genetic status, and suggest the importance of considering these findings when counseling patients regarding cataract surgery. These findings should provide further impetus for the search for measures to prevent or delay the development of age-related cataract.

Keywords: age-related macular degeneration • cataract • clinical (human) or epidemiologic studies: risk factor assessment 
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