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OCT for retinal imaging advances with ultrahigh resolution

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FORT LAUDERDALE, Fla. – Using ultrahigh resolution optical coherence tomography can provide a baseline for better interpretation of Stratus OCT results, said James G. Fujimoto, PhD.

Dr. Fujimoto and colleagues have developed an ultrahigh resolution (UHR) optical coherence tomography (OCT) system that enables imaging in a clinical setting using a femtosecond light source.

Comparative studies using the same patients were performed using the commercially available Stratus OCT (Carl Zeiss Meditec) with approximately 10-mm axial resolution and UHR OCT with 3-mm axial resolution, Dr. Fujimoto said here during the inaugural meeting of the International Society for Imaging in the Eye.

“With UHR we can visualize the inner and outer segments of the photoreceptors very clearly, we can resolve the separate layers of the retina, quantitate the structures of the retina, see the retinal pigment epithelium and the inner and outer segments,” Dr. Fujimoto said. “UHR OCT provides a baseline for interpreting features seen with standard resolution OCT, thus providing us with important diagnostic information.”