Glaucoma risk factors: Family history – the genetics of glaucoma

John R. Samples, Mary Wirtz

Research output: Chapter in Book/Report/Conference proceedingChapter

Abstract

The association of open-angle glaucoma and family history has been known for years. The lifetime risk for first-degree relatives of affected individuals to develop open-angle glaucoma is 22 % when compared with a 2 % risk in controls, but clinicians routinely overlook this fact when interviewing and evaluating patients. Patients are rarely accurate in reporting family history. Three genetic loci for glaucoma were first found in a single glaucoma practice in Portland, Oregon – GLC1C, GLC1F, and GLC1G – because of repeated and persistent inquiries about affected relatives. Asking a patient only once about his or her family history is rarely effective; patients tend to confuse macular degeneration, cataracts, and glaucoma.The purpose of this chapter is to call attention to family history as a critical risk factor and provide a basis for those interested in gaining a basic understanding of the currently known genetics of glaucoma and its implications on patient care. Perhaps the most important concept in discussing glaucoma genetics is to point out that it is both monogenic and polygenic. Instances where a single gene causes glaucoma (monogenic) have emerged (e.g., the myocilin and optineurin genes), but in other instances, glaucoma is much more likely the result of multiple genes (polygenic). Being polygenic makes a disease such as glaucoma more difficult to study and explains why much remains to be learned about the inheritance of this condition.

Original languageEnglish (US)
Title of host publicationClinical Glaucoma Care: The Essentials
PublisherSpringer New York
Pages45-56
Number of pages12
ISBN (Print)9781461441724, 9781461441717
DOIs
StatePublished - Jan 1 2014

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Glaucoma
Open Angle Glaucoma
Genes
Genetic Loci
Macular Degeneration
Cataract
Patient Care

ASJC Scopus subject areas

  • Medicine(all)

Cite this

Samples, J. R., & Wirtz, M. (2014). Glaucoma risk factors: Family history – the genetics of glaucoma. In Clinical Glaucoma Care: The Essentials (pp. 45-56). Springer New York. https://doi.org/10.1007/978-1-4614-4172-4_4

Glaucoma risk factors : Family history – the genetics of glaucoma. / Samples, John R.; Wirtz, Mary.

Clinical Glaucoma Care: The Essentials. Springer New York, 2014. p. 45-56.

Research output: Chapter in Book/Report/Conference proceedingChapter

Samples, JR & Wirtz, M 2014, Glaucoma risk factors: Family history – the genetics of glaucoma. in Clinical Glaucoma Care: The Essentials. Springer New York, pp. 45-56. https://doi.org/10.1007/978-1-4614-4172-4_4
Samples JR, Wirtz M. Glaucoma risk factors: Family history – the genetics of glaucoma. In Clinical Glaucoma Care: The Essentials. Springer New York. 2014. p. 45-56 https://doi.org/10.1007/978-1-4614-4172-4_4
Samples, John R. ; Wirtz, Mary. / Glaucoma risk factors : Family history – the genetics of glaucoma. Clinical Glaucoma Care: The Essentials. Springer New York, 2014. pp. 45-56
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