1. Effect of segmentation error correction on optical coherence tomography angiography measurements in healthy subjects and diabetic macular oedema

    Effect of segmentation error correction on optical coherence tomography angiography measurements in healthy subjects and diabetic macular oedema

    Purpose To evaluate the impact of segmentation error on vessel density measurements in healthy eyes and eyes with diabetic macular oedema (DMO). Methods In this prospective, comparative, non-interventional study, enface optical coherence tomography angiography (OCTA) images of the macula from healthy eyes and eyes with DMO were acquired. Two expert graders assessed and corrected the segmentation error. The rate of segmentation error and the changes in vessel density and inner retinal thickness after correction of the segmentation error were recorded and compared between the two groups. Results 20 eyes with DMO and 24 healthy eyes were evaluated. Intergrader agreement was ...

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