Does smoking influence the type of age related macular degeneration causing visual impairment?

S S Dandekar, S A Jenkins, T Peto, A C Bird, A R Webster

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

AIMS: To assess the influence of smoking on the type of age related macular degeneration (AMD) lesion causing visual impairment in a large cohort of patients with AMD at a tertiary referral UK centre.

METHODS: Prospective, observational, cross sectional study to analyse smoking data on 711 subjects, of western European origin, in relation to the type of AMD lesion present. Colour fundus photographs were graded according to a modified version of the international classification. Multiple logistic regression analysis was performed, adjusting for age and sex using the statistical package SPSS ver 9.0 for Windows. chi(2) tests were also used to assess pack year and ex-smoker data.

RESULTS: 578 subjects were graded with neovascular AMD and 133 with non-neovascular AMD. There was no statistically significant association found between smoking status or increasing number of pack years and type of AMD lesion. The odds of "current smokers" compared to "non-smokers" developing neovascular rather than non-neovascular AMD when adjusted for age and sex was 1.88 (95% CI: 0.91 to 3.89; p = 0.09).

CONCLUSIONS: Smoking is known to be a risk factor for AMD and this study suggests that smokers are at no more risk of developing neovascular than atrophic lesions.

Original languageEnglish
Pages (from-to)724-7
Number of pages4
JournalBritish Journal of Ophthalmology
Volume90
Issue number6
DOIs
Publication statusPublished - Jun 2006

Keywords

  • Age Distribution
  • Aged
  • Aged, 80 and over
  • Choroidal Neovascularization
  • Epidemiologic Methods
  • Female
  • Humans
  • Macular Degeneration
  • Male
  • Middle Aged
  • Sex Distribution
  • Smoking
  • Journal Article
  • Research Support, Non-U.S. Gov't

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