Global variations and time trends in the prevalence of primary open angle glaucoma (POAG): a systematic review and meta-analysis
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  • Published on:
    RE: Global variations and time trends in the prevalence of primary open angle glaucoma (POAG): a systematic review and meta-analysis. Kapetanakis, et al. 100:1 86-93 doi:10.1136/bjophthalmol-2015-307223
    • Alicja R Rudnicka, Reader in Medical Statistics
    • Other Contributors:
      • Venediktos V Kapetanakis, Michelle PY Chan, Paul J Foster, Derek G Cook, Christopher G Owen

    Dear Editor,

    We thank Cheng and Tham for their interest in our systematic review of global variations and time trends in primary open angle glaucoma (POAG).[1] The comments raise some important issues relating to the assimilation of evidence from observational studies, particularly in summarising estimates of chronic disease prevalence.

    Cheng and Tham have questioned our inclusive approach, which resu...

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    Conflict of Interest:
    None declared.
  • Published on:
    Re: Global variations and time trends in the prevalence of primary open-angle glaucoma: a systemic review and meta-analysis
    • Ching-Yu Cheng, Associate Professor, Head of Ocular Epidemiology Reserach Group & Statistics Unit
    • Other Contributors:
      • Yih-Chung Tham

    Dear Editor,

    We read with interest the article by Kapetanakis et al.[1] The authors presented a systemic review of published population-based surveys to provide estimates of global and regional prevalence of primary open- angle glaucoma (POAG). The authors claimed that this review provided the most precise estimates of POAG prevalence thus far, as they adopted a more "inclusive" approach, compared to previous re...

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    Conflict of Interest:
    None declared.