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     Phase variance (PV) algorithm is used in Chiding OCTA2020. This algorithm can accurately extract the blood flow information in all directions of the fundus, so as to achieve the deep direction of blood flow imaging, and more accurately measure the blood flow in the fundus region.
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       As the leader of the advanced technology of fundus microvascular imaging, Jiding has created a new generation of OCT products with perfect optical quality and advanced image processing results with abundant research and development experience and rigorous production technology. The unique patented technology (PV-OCT aberration analysis) image processing can enable ophthalmologists to identify more details of retinopathy, more effective evaluation of therapeutic effect and guidance of treatment methods.