Predictive genetic testing experience for myocilin primary open-angle glaucoma using the Australian and New Zealand Registry of Advanced Glaucoma

Emmanuelle Souzeau, J Glading, Miriam Keane, Bronwyn Ridge, Tiger Zhou, Kathryn Burdon, Jamie Craig

    Research output: Contribution to journalArticle

    9 Citations (Scopus)

    Abstract

    Purpose:Predictive genetic testing of relatives of known myocilin (MYOC) gene mutation carriers is an appropriate strategy to identify individuals at risk for glaucoma. It is likely to prevent irreversible blindness in this high-risk group because this treatable condition might otherwise be diagnosed late. The Australian and New Zealand Registry of Advanced Glaucoma has established genetic testing protocols for known glaucoma genes, including MYOC.Methods:Through the Australian and New Zealand Registry of Advanced Glaucoma, we investigated the experience of 40 unaffected individuals who had undergone predictive genetic testing for MYOC mutations through questionnaires.Results:The main motivations for being tested were (i) to make appropriate interventions and (ii) to reduce uncertainty. All our respondents perceived strong benefits, either medical or emotional, in being tested. However, different concerns were raised by the respondents that need to be addressed during counseling. Greater family awareness was reported by the majority of the respondents, and the ability to provide information to children was a strong motivation for being tested.Conclusion:This study provides valuable information on the personal and familial impacts of having predictive genetic testing for glaucoma, which will help health professionals to better address the issues faced by patients and provide them adequate support.Genet Med 16 7, 558-563.

    Original languageEnglish
    Pages (from-to)558-563
    Number of pages6
    JournalGENETICS IN MEDICINE
    Volume16
    Issue number7
    DOIs
    Publication statusPublished - 2014

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