3.8 Review

The Association of Female Reproductive Factors with Glaucoma and Related Traits

Journal

OPHTHALMOLOGY GLAUCOMA
Volume 5, Issue 6, Pages 628-647

Publisher

ELSEVIER
DOI: 10.1016/j.ogla.2022.06.003

Keywords

Estrogen Glaucoma HRT IOP POAG

Categories

Funding

  1. NIH NEI [R01 EY015473, R01 EY032559]
  2. Research to Prevent Blindness, New York City

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This systematic review summarizes the associations between female reproductive factors and intraocular pressure or open-angle glaucoma. The findings suggest that postmenopausal hormone use is associated with lower intraocular pressure and lower risk of open-angle glaucoma. However, there are no significant associations with parity or age at menarche.
Topic: This systematic review summarizes evidence for associations between female reproductive factors (age at menarche, parity, oral contraceptive [OC] use, age at menopause, and postmenopausal hormone [PMH] use) and intraocular pressure (IOP) or open-angle glaucoma (OAG).Clinical Relevance: Understanding the associations between female reproductive factors and glaucoma may shed light on the disease pathogenesis and aid clinical prediction and personalized treatment strategies. Importantly, some factors are modifiable, which may lead to new therapies.Methods: Two reviewers independently extracted articles in MEDLINE, Embase, Cochrane Database of Systematic Reviews, and Cochrane Central Register of Controlled Trials databases to identify relevant studies. Eligibility criteria included studies with human subjects aged > 18 years; a measured outcome of either IOP or OAG; a cohort, case-control, cross-sectional, or randomized controlled trial design; a reported measure of as-sociation, such as the hazard ratio, relative risk, odds ratio, or mean difference, with an associated confidence interval; and a measured exposure of at least 1 of the following variables: age at menarche, parity, OC use, age at menopause, or PMH use.Results: We included a total of 27 studies. Substantial differences in study designs, exposure and treatment levels, treatment durations, and variable reporting precluded a meaningful quantitative synthesis of the identified studies. Overall, relatively consistent associations between PMH use and a lower IOP were identified. Estrogen -only PMH use may be associated with lower OAG risk, which may be modified by race. No significant associ-ations were found with combined estrogen-and-progesterone PMH use. No strong associations between parity or age at menarche and glaucoma were found, but a younger age at menopause was associated with an increased glaucoma risk, and adverse associations were identified with a longer duration of OC use, though no overall association with OC use was found.Conclusions: The association between PMH use and lower IOP or OAG risk is a potentially clinically relevant and modifiable risk factor and should be investigated further, although this needs to be interpreted in the context of a high risk of bias across included studies. Future research should examine associations with IOP specifically and how the relationship between genetic factors and OAG risks may be influenced by female reproductive factors. Ophthalmology Glaucoma 2022;5:628-647 (c) 2022 by the American Academy of Ophthalmology. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/).

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