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The basic setup of the scanning fluorescence lifetime imaging ophthalmoscope is depicted. A pulsed 473-nm laser excites retinal fluorescence in a 30-deg field. Fluorescence photons are then detected according to their wavelength in two spectral channels (1: short spectral channel, SSC: 498 to 560 nm; 2: long spectral channel, LSC: 560 to 720 nm). An infrared (IR) laser is used for eye tracking.
