Effect of number of test points and size of test field in automated perimetry.
Sensitivity variation in normal subjects was studied, by changing the number of test locations and the size of test fields on automated perimetry. Using the Sargon program, four different programs that differed in the number of test points or in the size of test field were made. Mean sensitivity and short-term fluctuation were calculated from the same test points of each program. The program with the fewest points and the smallest size produced the greatest sensitivity and the least fluctuation. Our results showed that the number of test points and the size of test field affected the sensitivity and its reproducibility in automated perimetry.
Fujimoto
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N
Department of Ophthalmology, School of Medicine, Chiba University, Inohana, Japan.
Adachi-Usami
E
E
D000328:Adult; D006801:Humans; D015203:Reproducibility of Results; D012494:Sampling Studies; D012680:Sensitivity and Specificity; D058609:Visual Field Tests / Q000379:methods*; D014794:Visual Fields / Q000502:physiology*