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A review of astigmatism and its possible genesis

Read, Scott A., Collins, Michael J., & Carney, Leo G (2007) A review of astigmatism and its possible genesis. Clinical and Experimental Optometry, 90(1), pp. 5-19.

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Abstract

Astigmatism is a refractive condition encountered commonly in clinical practice. This review presents an overview of research that has been carried out examining various aspects of this refractive error. We examine the components of astigmatism and the research into the prevalence and natural course of astigmatic refractive errors throughout life. The prevalence of astigmatism in various ethnic groups and diseases and syndromes is also discussed. We highlight the extensive investigations that have been conducted into the possible aetiology of astigmatism, however, no single model or theory of the development of astigmatism has been proven conclusively. Theories of the development of astigmatism based on genetics, extraocular muscle tension, visual feedback and eyelid pressure are considered. Observations and evidence from the literature supporting and contradicting these hypotheses are presented. Recent advances in technology such as wavefront sensors and videokeratoscopes have led to an increased understanding of ocular astigmatism and with continued improvements in technology, our knowledge of astigmatism and its genesis should continue to grow.

Impact and interest:

53 citations in Scopus
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49 citations in Web of Science®

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ID Code: 10851
Item Type: Journal Article
Additional Information: For more information, please refer to the journal's website (see hypertext link) or contact the author.
Keywords: aberrations, astigmatism, cornea, corneal topography, refractive error corneal topographic changes, bilateral monocular diplopia, scleral buckling surgery, refractive error, strabismus surgery, penetrating keratoplasty, cataract, surgery, congenital nystagmus, imposed astigmatism, cylindrical lenses
DOI: 10.1111/j.1444-0938.2007.00112.x
ISSN: 0816-4622
Subjects: Australian and New Zealand Standard Research Classification > MEDICAL AND HEALTH SCIENCES (110000) > OPTOMETRY AND OPHTHALMOLOGY (111300)
Divisions: Current > Research Centres > Centre for Health Research
Current > QUT Faculties and Divisions > Faculty of Health
Current > Institutes > Institute of Health and Biomedical Innovation
Copyright Owner: Copyright 2007 Blackwell Publishing
Copyright Statement: The definitive version is available at www.blackwell-synergy.com
Deposited On: 22 Nov 2007
Last Modified: 29 Feb 2012 23:37

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