Abstract
Abstract Objective To assess absolute agreement and differences in peripapillary retinal nerve fiber layer (pRNFL) values according to sex, age, laterality, origin and optical coherence tomography (OCT) type in normal pediatric patients undergoing OCT scans using both Cirrus and Spectralis. Material and methods Prospective, cross-sectional, and comparative study. We used Spectralis OCT and Cirrus OCT to measure optic disc values of both eyes in one hundred pediatric patients (age 5–15 years), with no previous ocular pathology or systemic disease that could affect the eye. Due to the similarity between eyes, only right eyes were considered (n = 100). Results The average peripapillary retinal nerve fiber layer (pRNFL) values were 99.6 μm with Cirrus and 106.7 μm with the Spectralis system. The four quadrants followed the ISNT rule (inferior-superior-nasal-temporal). The average pRNFL measures correlated negatively with the AL (P 0.05) and there were also no statistical differences in the pRNFL according to age or laterality (P > 0.05). All RNFL values were significantly different between both types of OCTs (P Conclusions We suggest that the respective peripapillary RNFL values obtained using these two OCTs should not be considered interchangeable in pediatric patients.
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