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  • Optical coherence tomography (OCT) scanning systems designed to obtain cross-sectional images of eye (i.e., ophthalmic) tissues by simultaneously measuring multiple wavelengths of the reflected light. These systems typically consist of a computerized unit that includes laser light sources, a photodetector, and a display. The light beam is composed of several light frequencies that are delivered simultaneously; the reflected light is measured in a spectrum of frequencies (spectral domain) at a high-rate of axial scans (e.g., 40,000) per second. Spectral OCT ophthalmic scanning systems are used for a variety of clinical applications involving accurate retinal and intraretinal thickness measurements. Some systems can also provide high resolution measurements of the anterior segment of the eye (e.g., the corneal thickness) and facilitate diagnosis of diseases such as glaucoma.
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