An Analysis of Normal Variations in Retinal Nerve Fiber Layer Thickness Profiles Measured With Optical Coherence Tomography.

Entities Mentioned

• Carl Zeiss Meditec
• Robert Ritch
• Zeiss Cirrus HD-OCT
• New York Eye and Ear Infirmary

1. Purpose: To assess the normal variations in retinal nerve fiber layer (RNFL) thickness measured with optical coherence tomography (OCT).
   
   Subjects and Methods: Both eyes of 48 individuals (age 56.4+/-9.5 y) with normal vision and refractive errors between +/-6.0 D were tested with the fast RNFL scan protocol of the OCT3 (Zeiss Meditech). Their 256-point RNFL profiles were exported for analysis. The location and peak amplitude of the maxima of the RNFL profiles were measured. Intersubject and interocular variations were assessed with a coefficient of determination, R2. An R2 of 1.0 indicated that the average profile from ... (Read Full Article)
   
   

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