1. Optical Coherence Tomography and neurodegeneration: are eyes the windows to the brain?

    Optical Coherence Tomography and neurodegeneration: are eyes the windows to the brain?

    Central nervous system (CNS) pathologies have ocular manifestations due to direct and/or retrograde degeneration of the visual pathways, most often related to a direct injury to the optic nerve, retinal ganglion cells and/or its surrounding cells. These ocular manifestations can be recognized and monitored by a non-invasive technique called Optical Coherence Tomography (OCT). OCT helps in the measurement of retinal nerve fiber layer (RNFL) thickness and macular thickness which consists of retinal ganglion cells. OCT provides a near-histological level of image resolution up to 5µm by using principles of interferometry that can detect CNS inflammatory, as well ...

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