A portable handheld adaptive optics scanning laser ophthalmoscope enables cellular level imaging near the fovea of the retina, according to researchers who engineered and tested the device in a human trial.
Researchers imaged the retina of seven healthy, undilated adult volunteers, five healthy, dilated adult volunteers and two young children under anesthesia.
Before each human imaging session, the linear polarizer was rotated to maximize throughput in the illumination channel, and the quarter wave plate was rotated to minimize the lens reflection, researchers wrote. The optical power incident
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