McClelland, Julie and Saunders, Kathryn (2003) The repeatability and validity of dynamic retinoscopy in assessing the accommodative response. Ophthalmic & physiological optics : the journal of the British College of Ophthalmic Opticians (Optometrists), 23 (3). pp. 243-50. [Journal article]
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Dynamic retinoscopy (DR) is an objective technique that has been used successfully to examine accommodative function of non-communicative patients. However, there are few studies examining its repeatability and validity. This paper addresses the repeatability and validity of a form of DR (a modified Nott technique), by comparing results to the Shin-Nippon SRW-5000 Autorefractor whose validity and repeatability have previously been demonstrated. Accommodative responses of 41 subjects (aged 6-43 years) were assessed using DR and the Shin-Nippon SRW-5000 Autorefractor. Three different target demands were used (10, 6 and 4 D). DR was shown to be repeatable for all target demands (paired t-test, p > 0.05). The results demonstrated good agreement between the autorefractor and DR. The results of the present study suggest that DR is a repeatable and valid objective technique for assessing accommodative function.
|Item Type:||Journal article|
|Faculties and Schools:||Faculty of Life and Health Sciences|
Faculty of Life and Health Sciences > School of Biomedical Sciences
|Research Institutes and Groups:||Biomedical Sciences Research Institute|
Biomedical Sciences Research Institute > Vision
|Deposited By:||Professor Kathryn Saunders|
|Deposited On:||25 Nov 2009 16:50|
|Last Modified:||15 Mar 2011 16:26|
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