020. Widefield Swept-Source Optical Coherence Tomography Angiography Assessment of Choroidal Changes in Vogt-Koyanagi-Harada Disease yiqi.zhang2023-02-10T17:33:08+08:00 020. Widefield Swept-Source Optical Coherence Tomography Angiography Assessment of Choroidal Changes in Vogt-Koyanagi-Harada Diseaseyiqi.zhang2023-02-10T17:33:08+08:00