{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,6,17]],"date-time":"2025-06-17T15:15:52Z","timestamp":1750173352621,"version":"3.40.5"},"reference-count":39,"publisher":"S. Karger AG","issue":"4","license":[{"start":{"date-parts":[[2020,10,7]],"date-time":"2020-10-07T00:00:00Z","timestamp":1602028800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/www.karger.com\/Services\/SiteLicenses"},{"start":{"date-parts":[[2020,10,7]],"date-time":"2020-10-07T00:00:00Z","timestamp":1602028800000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.karger.com\/Services\/SiteLicenses"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Ophthalmic Res"],"published-print":{"date-parts":[[2021]]},"abstract":"<b><i>Introduction:<\/i><\/b> The aim of the study was to evaluate the applicability of optical coherence tomography (OCT) angiography (OCTA) for measuring geographic atrophy (GA) areas in age-related macular degeneration (AMD) patients with \u201cfoveal\u201d and \u201cno-foveal\u201d sparing disease and compare it to other imaging modalities. <b><i>Methods:<\/i><\/b> A multimodal imaging protocol was applied, using infrared (IR) imaging, fundus autofluorescence (FAF), OCTA, and <i>en-face<\/i> OCT in 35 eyes of 23 AMD patients with GA. Patients were classified into 2 groups, with and without foveal sparing disease. GA area measurements for all imaging modalities were compared for each group separately. <b><i>Results:<\/i><\/b> The measured GA area was estimated to be 6.68 \u00b1 3.18 mm<sup>2<\/sup> using IR; 6.99 \u00b1 3.09 mm<sup>2<\/sup> using FAF; 6.56 \u00b1 3.11 mm<sup>2<\/sup> using OCTA, and 6.65 \u00b1 3.14 mm<sup>2<\/sup> using <i>en-face<\/i> OCT. There was no statistically significant difference in the GA area between different modalities (<i>p<\/i> = 0.977). When separate analysis was conducted for patients with \u201cfoveal\u201d and \u201cno-foveal\u201d sparing disease, although GA measurements in FAF imaging displayed higher numerical values than the other modalities, especially in patients with foveal sparing, no statistically significant difference in the GA area was found between the different imaging modalities in either group (<i>p<\/i> = 0.816 for foveal sparing; <i>p<\/i> = 0.992 for no-foveal sparing group). <b><i>Conclusions:<\/i><\/b> OCTA can be reliably used in the assessment of GA in AMD patients with and without foveal sparing disease. For both groups, measurements are comparable to IR, <i>en-face<\/i> OCT, and FAF, despite the fact that the latter recorded larger area of GA, mainly in the foveal sparing cases. <\/jats:p>","DOI":"10.1159\/000512103","type":"journal-article","created":{"date-parts":[[2020,10,7]],"date-time":"2020-10-07T21:01:15Z","timestamp":1602104475000},"page":"675-683","source":"Crossref","is-referenced-by-count":5,"title":["Multimodal Imaging for the Assessment of Geographic Atrophy in Patients with \u201cFoveal\u201d and \u201cNo-Foveal\u201d Sparing"],"prefix":"10.1159","volume":"64","author":[{"given":"Stamatina 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