Reliability Indexes of Automated Perimetric Tests

Research output: Contribution to journalArticle

Abstract

The “reliability" of a subject's automated perimetric test result is generally assessed by three measures: fixation loss and false-positive and false-negative rates. These reliability criteria were examined for 76 glaucomatous and 248 normal subjects who underwent visual field testing (C-30-2 program; Humphrey Visual Field Analyzer, Allergan Humphrey, San Leandro, Calif). Of the examination results, 45% in glaucomatous subjects and 30% in normal controls were considered unreliable with the use of the manufacturer's reliability criteria. Most test results were unreliable because they failed to meet the criterion for fixation loss. The greater rejection rate among glaucomatous subjects was entirely due to their higher rate of false-negative responses. Factors such as age, pupil diameter, and visual acuity did not explain the difference between the false-negative rates of glaucomatous patients and normal subjects.

Original languageEnglish (US)
Pages (from-to)1252-1254
Number of pages3
JournalArchives of ophthalmology
Volume106
Issue number9
DOIs
StatePublished - Sep 1988

ASJC Scopus subject areas

  • Ophthalmology

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