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Br J Ophthalmol 2003;87:1324-1328 doi:10.1136/bjo.87.11.1324
  • Clinical science
    • Scientific reports

Female reproductive factors and open angle glaucoma: the Blue Mountains Eye Study

  1. A J Lee,
  2. P Mitchell,
  3. E Rochtchina,
  4. P R Healey
  1. Department of Ophthalmology, University of Sydney, Sydney, Australia
  1. Correspondence to: Paul Mitchell MD, Department of Ophthalmology (Centre for Vision Research), Westmead Hospital, Hawkesbury Road, Westmead, NSW 2145, Australia; paulmitchellwmi.usyd.edu.au
  • Accepted 23 February 2003

Abstract

Aims: To determine whether endogenous oestrogen exposures are associated with open angle glaucoma (OAG).

Methods: The Blue Mountains Eye Study examined 2072 women aged 49–97 years during 1992–4. Questions about female reproductive factors included age at menarche and menopause, parity, and use of hormone replacement therapy. Applanation tonometry, visual field tests, and stereo-optic disc photographs were performed. OAG was diagnosed when glaucomatous visual fields matched optic disc changes. Ocular hypertension (OH) was defined in the absence of glaucoma, but with intraocular pressure ≥22 mm Hg.

Results: A significantly increased OAG risk with later (>13 years) compared with earlier (≤12 years) age of menarche was found, odds ratio (OR) = 2.0; 95% confidence interval (CI) 1.0 to 3.9, p for trend = 0.01, after adjustment for multiple confounders. Non-significant increased odds for OAG were found for early natural menopause (<45 years) compared with the reference group (≥50 years), adjusted OR = 1.7; CI: 0.7 to 3.8, and for shorter duration of endogenous oestrogen exposure (<30 years), adjusted OR = 1.8; CI: 0.6 to 5.3. Increasing parity was associated with an increased risk of OAG (p = 0.03) and decreased risk of OH (p = 0.03).

Conclusion: The modest associations found in relation to late menarche and increased parity do not allow the exclusion of a possible role for endogenous female hormones in the pathogenesis of OAG.

Footnotes

  • Commercial relationships: None.

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