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Ophthalmologists have known for more than a decade that thinning of retinal tissue has been associated with the onset of Alzheimer’s disease and its devastating destruction of brain cells that occurs well before memory loss or other impairments set in. Now optical technologies are allowing clinicians to witness these dramatic changes before their eyes and behind those of their patients.
As I write about in our cover story for this edition — “Optics Peers Through the Haze of Dementia” — researchers in academic settings such as Duke University, and in a continental initiative in Europe called the MOON project, are cataloguing retinal images with the aid of OCT, OCTA, Raman spectroscopy, and ultrawide-field…READ MORE