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FDT testing reliable for pediatric patients

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Visual field testing with frequency doubling technology for patients in a young age group yields reliable results, according to a study.

Ronit Nesher, MD, and colleagues subjected 40 healthy children and 15 healthy adults to visual field testing with frequency doubling technology (FDT). The subjects were divided into three groups: children age 5 to 7 years, children age 8 to 10 years and adults.

Mean explanation time for the test was 83 seconds for the younger children, 68 seconds for the older children and 37 seconds for the adults. None of the adults, but 40% of the children, needed two demonstrations before initiating the test. In the pediatric group, fixation losses for the right eye were 10% and for the left eye, 37%. The adults did not experience fixation losses.

The study is published in the August issue of Journal of Glaucoma.