Reliability of visual field results over repeated testing.
Reliability of visual field results over repeated testing.
复制标题
视野结果在重复测试中的可靠性。
DOI:
10.1016/s0161-6420(91)32339-x
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发表时间:
1991
期刊:
影响因子:
13.7
通讯作者:
Witt,K
中科院分区:
文献类型:
--
作者:
Katz,J;Sommer,A;Witt,K
Fifty-one normal subjects, 337 with ocular hypertension, and 55 patients with glaucoma underwent C-30-2 testing on the Humphrey Field Analyzer on at least three occasions over a 6-year period. The time between tests was approximately 1 year. Using the manufacturer's standard for a reliable field (false-positive and false-negative rates, <33%; fixation losses, <20%), no trends in the proportion of reliable fields or the component indices were observed over time. Four percent of normal subjects, 9% of those with ocular hypertension, and 8% of patients with glaucoma were unable to meet the reliability standard every time they were tested. This repeated lack of reliability was due almost exclusively to fixation losses. However, patients with glaucoma were more likely to have repeatedly high false-negative responses than those with ocular hypertension or normal subjects, providing further evidence that false-negative responses are more indicative of glaucoma than of patient reliability.
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