1. Retina phantom for the evaluation of optical coherence tomography angiography based on microfluidic channels

    Retina phantom for the evaluation of optical coherence tomography angiography based on microfluidic channels

    Optical coherence tomography (OCT) angiography (OCTA) has been actively studied as a noninvasive imaging technology to generate retinal blood vessel network maps for the diagnoses of retinal diseases. Given that the uses of OCT and OCTA have increased in the field of ophthalmology, it is necessary to develop retinal phantoms for clinical OCT for product development, performance evaluation, calibration, certification, medical device licensing, and production processes. We developed a retinal layer-mimicking phantom with microfluidic channels based on microfluidic fabrication technology using polydimethylsiloxane (PDMS) and titanium dioxide (TiO 2 ) powder. We implemented superficial and deep retinal vessels using microfluidic channels. In ...

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