In an elegantly conducted study, Uji et al1 describe the association of averaging multiple en face images with the quality of the optical coherence tomography angiography (OCTA) images of the choroidal microvasculature. They demonstrate that the resulting vascular images approximate much more closely the structure of the choriocapillaris as visualized histopathologically. This is an interesting and potentially important advance in the ability of OCTA to image the choriocapillaris in vivo.
Waheed NK, Duker JS. Image Averaging, a Powerful Tool in Optical Coherence Tomography and Optical Coherence Tomography Angiography. JAMA Ophthalmol. 2017;135(11):1204–1205. doi:10.1001/jamaophthalmol.2017.4015
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