The visual and functional impacts of astigmatism and its clinical management
Read, Scott A., Vincent, Stephen J., & Collins, Michael J. (2014) The visual and functional impacts of astigmatism and its clinical management. Ophthalmic and Physiological Optics, 34(3), pp. 267-294.
Purpose: To provide a comprehensive overview of research examining the impact of astigmatism on clinical and functional measures of vision, the short and longer term adaptations to astigmatism that occur in the visual system, and the currently available clinical options for the management of patients with astigmatism.
Recent findings: The presence of astigmatism can lead to substantial reductions in visual performance in a variety of clinical vision measures and functional visual tasks. Recent evidence demonstrates that astigmatic blur results in short-term adaptations in the visual system that appear to reduce the perceived impact of astigmatism on vision. In the longer term, uncorrected astigmatism in childhood can also significantly impact on visual development, resulting in amblyopia. Astigmatism is also associated with the development of spherical refractive errors. Although the clinical correction of small magnitudes of astigmatism is relatively straightforward, the precise, reliable correction of astigmatism (particularly high astigmatism) can be challenging. A wide variety of refractive corrections are now available for the patient with astigmatism, including spectacle, contact lens and surgical options.
Conclusion: Astigmatism is one of the most common refractive errors managed in clinical ophthalmic practice. The significant visual and functional impacts of astigmatism emphasise the importance of its reliable clinical management. With continued improvements in ocular measurement techniques and developments in a range of different refractive correction technologies, the future promises the potential for more precise and comprehensive correction options for astigmatic patients.
Impact and interest:
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|Keywords:||Astigmatism, Cataract surgery, Contact lenses, Refractive surgery, Vision|
|Subjects:||Australian and New Zealand Standard Research Classification > MEDICAL AND HEALTH SCIENCES (110000) > OPTOMETRY AND OPHTHALMOLOGY (111300) > Vision Science (111303)
Australian and New Zealand Standard Research Classification > MEDICAL AND HEALTH SCIENCES (110000) > OPTOMETRY AND OPHTHALMOLOGY (111300) > Optometry and Ophthalmology not elsewhere classified (111399)
|Divisions:||Current > QUT Faculties and Divisions > Faculty of Health
Current > Institutes > Institute of Health and Biomedical Innovation
Current > Schools > School of Optometry & Vision Science
|Copyright Owner:||Copyright 2014 The Authors|
|Copyright Statement:||This is the accepted version of the following article: Read SA, Vincent SJ & Collins MJ. The visual and functional impacts of astigmatism and its clinical management. Ophthalmic Physiol Opt 2014, 34, 267–294. doi: 10.1111/opo.12128, which has been published in final form at http://onlinelibrary.wiley.com/doi/10.1111/opo.12128/abstract|
|Deposited On:||03 Dec 2014 00:35|
|Last Modified:||12 May 2015 02:37|
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