Reliability of visual field results over repeated testing.

Reliability of visual field results over repeated testing.
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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
Witt,K
中科院分区:
医学1区
文献类型:
--
作者:
Katz,J;Sommer,A;Witt,K

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51 名正常受试者、337 名高眼压症患者和 55 名青光眼患者在 6 年期间至少 3 次接受了汉弗莱视野分析仪的 C-30-2 测试。测试之间的时间间隔约为 1 年。使用制造商的可靠视野标准(假阳性和假阴性率,<33%;注视损失,<20%),随着时间的推移,没有观察到可靠视野比例或成分指数的趋势。每次测试时,4%的正常受试者、9%的高眼压患者和8%的青光眼患者都无法达到可靠性标准。这种反复缺乏可靠性几乎完全是由于固定损失造成的。然而,与高眼压症患者或正常受试者相比,青光眼患者更有可能反复出现高假阴性反应,这进一步证明假阴性反应更能指示青光眼,而不是患者的可靠性。
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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