Frequency doubling technology threshold testing in the pediatric age group

Journal of Glaucoma
Ronit NesherEhud Assia

Abstract

To evaluate the feasibility of performing visual field with the Frequency Doubling Technology (FDT) in children aged 5 to 10 years. Forty healthy children and fifteen healthy adults, all with no previous experience with visual field testing, underwent visual field testing with the C20 threshold test of the Carl Zeiss Meditec FDT analyzer in both eyes. The subjects were divided into three groups. Group A (age 5-7), group B (age 8-10), and group C (adults). The mean explanation time for the test was 83 +/- 43 seconds for group A, 68 +/- 31 seconds for group B, and 37 +/- 15 seconds for group C (P < 0.001 for the difference between group C and groups A and B). Test performance time for the right eye was 347 +/- 57 seconds, 301 +/- 21 seconds, and 298 +/- 35 seconds for groups A to C, respectively (P < 0.001 for the difference between group A and groups B and C). Forty percent of the children, but none of the adults required two demonstrations prior to initiation of the test. In children fixation losses for the right and left eye were 10% and 37% respectively. No fixation losses occurred in adults. In both eyes a mean deviation <0.5% occurred significantly more often in group A than in group C (P = 0.013). Visual field testing with...Continue Reading

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Citations

Apr 4, 2009·Der Ophthalmologe : Zeitschrift der Deutschen Ophthalmologischen Gesellschaft·C Erb, K Göbel
Mar 17, 2010·Graefe's Archive for Clinical and Experimental Ophthalmology = Albrecht Von Graefes Archiv Für Klinische Und Experimentelle Ophthalmologie·Stephanie WilscherBirgit Lorenz
Feb 18, 2011·Journal of Pediatric Ophthalmology and Strabismus·Min Joung Lee, Jeong-Min Hwang
Oct 19, 2006·American Journal of Ophthalmology·Laurel M QuinnChris A Johnson
Jan 7, 2006·Acta Ophthalmologica Scandinavica·Lene Martin
Jul 13, 2016·Seminars in Ophthalmology·Sangyoun HanUngsoo Samuel Kim

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