Original ArticleRetinal Nerve Fiber Layer Thickness in Normal Children Measured with Optical Coherence Tomography
Section snippets
Subjects
All subjects were recruited from patients ages 4 to 17 years presenting to the ophthalmology clinic in the Edward S. Harkness Eye Institute (Department of Ophthalmology, Columbia University, New York, New York). To be enrolled, subjects had to have no ocular problems other than refractive error. In particular, children with strabismus or amblyopia were excluded. Also, children with neurological, metabolic, vascular, or other disorders were excluded. All subjects received a full ophthalmic
Demographics
One hundred twenty-one subjects consented to participate in this study. Of these, 4 (3.3%) would not cooperate for the OCT imaging (3 were 4 years old, and 1 was 5). Of the remaining 117 subjects, 20 were excluded because of the lack of disc photographs, 3 because of disc photographs of insufficient quality to assess, 1 because of abnormal discs, and 1 because of pathologic myopia. Thus, 92 subjects were eligible for statistical analysis. After random selection of one eye of each subject, 46
Discussion
In this study, we investigated the peripapillary RNFL thickness in normal children as measured with the latest version of OCT (Stratus OCT). Also, we determined the effects of age, refraction, and other factors on RNFL thickness and evaluated cooperation for OCT measurements among children.
Optical coherence tomography has become a widely used tool in clinical and scientific ophthalmology. However, its use in children has been limited by the lack of normative data, and its feasibility of
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Manuscript no. 2005-623.
Supported by a Career Development Award from Research to Prevent Blindness, New York, New York (MFC), and by the National Eye Institute, Bethesda, Maryland (grant no.: EY13972 [MFC]).
The authors have no financial interest in the devices or techniques used in the study.