10 December 2015 Imaging the anterior eye with dynamic-focus swept-source optical coherence tomography
Author Affiliations +
J. of Biomedical Optics, 20(12), 126002 (2015). doi:10.1117/1.JBO.20.12.126002
A custom-built dynamic-focus swept-source optical coherence tomography (SS-OCT) system with a central wavelength of 1310 nm was used to image the anterior eye from the cornea to the lens. An electrically tunable lens was utilized to dynamically control the positions of focusing planes over the imaging range of 10 mm. The B-scan images were acquired consecutively at the same position but with different focus settings. The B-scan images were then registered and averaged after filtering the out-of-focus regions using a Gaussian window. By fusing images obtained at different depth focus locations, high-resolution and high signal-strength images were obtained over the entire imaging depth.
© 2015 Society of Photo-Optical Instrumentation Engineers (SPIE)
Johnny P. Su, Yan Li, Maolong Tang, Liang Liu, Alex D. Pechauer, David Huang, Gangjun Liu, "Imaging the anterior eye with dynamic-focus swept-source optical coherence tomography," Journal of Biomedical Optics 20(12), 126002 (10 December 2015). https://doi.org/10.1117/1.JBO.20.12.126002

Optical coherence tomography


Image segmentation

Imaging systems


Distance measurement

Image processing

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