I had an OCT about a year ago following a preliminary study posted here saying it appeared to be an apparently good measure of progressive nerve damage in the CNS, when compared to MRI. These machines are not only "available" but are in ophthalmologists offices NOW.OCT machines already are available. Patients look into a device similar to those that measure vision for corrective lenses. Near-infrared light, which is invisible to the eye, penetrates the retina and provides information on its thickness. The measurement takes a few seconds for each eye.
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