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Adaptive optics scanning ophthalmoscope sketch, flattened for clarity. PMT stands for photomultiplier, TZ for transimpedance amplifier, LD for laser diode, SLD for superluminescent diode, SH-WS for Shack-Hartmann wavefront sensor, sph for spherical mirror and F for interferometric band pass filter. The letter P indicates the pupil conjugate planes, in addition to the ones corresponding to the deformable mirror, the optical scanners and the SH-WS. (From Dubra & Sulai, 2011)
