1. Four-dimensional visualization with optical coherence tomography

    Four-dimensional visualization with optical coherence tomography
    A new system for ultrahigh-speed imaging of the anterior segment of the eye retains micrometer resolution. The widespread development of improved imaging modalities dedicated to visualizing the anterior segment of the eye has regenerated interest in ophthalmic studies.1–3 Among methods such as slit-scanning topography, Scheimpflug imaging, and high-frequency ultrasonography, optical coherence tomography (OCT) has generated particular attention. OCT emerged from investigations into low-coherence interferometry and optical reflectometry.4 As an echo technique, it can be thought of as similar to ultrasound. However, as OCT is based on light, it can deliver much higher resolution, similar to low-power microscopy ...
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