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Modeling the relative influence of fixation and sampling errors on retest variability in perimetry

Maddess, T.


BACKGROUND: Our previous studies have shown that in standard automated perimetry (SAP) undersampling occurs if sensitivity varies across a visual field faster than the Nyquist rate (Nq) for the standard sampling interval of 6°. This undersampling was shown to be a major source of test-retest variability. This study first tests some of the assumptions of the undersampling idea, and then determines the relative contributions to test-retest variability of normal eye movements and undersampling....[Show more]

CollectionsANU Research Publications
Date published: 2014-07-30
Type: Journal article
Source: Graefe's Archive for Clinical and Experimental Ophthalmology
DOI: 10.1007/s00417-014-2751-y


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