Journal: Journal of Ophthalmology

Article Title: Accuracy of Diabetic Retinopathy Staging with a Deep Convolutional Neural Network Using Ultra-Wide-Field Fundus Ophthalmoscopy and Optical Coherence Tomography Angiography

doi: 10.1155/2021/6651175

Figure Lengend Snippet: Identification of each image and stage. Test 1 (no apparent diabetic retinopathy [NDR] or diabetic retinopathy [DR]) and test 2 (NDR or proliferative diabetic retinopathy [PDR]) were performed using the Optos, optical coherence tomography angiography (OCTA), and Optos OCTA images.

Article Snippet: The Optos, OCTA, and Optos OCTA imaging test results for comparison between NDR and DR showed mean areas under the curve (AUC) of 0.79, 0.883, and 0.847; sensitivity rates of 80.9%, 83.9%, and 78.6%; and specificity rates of 55%, 71.6%, and 69.8%, respectively.

Techniques: Tomography

Journal: Journal of Ophthalmology

Article Title: Accuracy of Diabetic Retinopathy Staging with a Deep Convolutional Neural Network Using Ultra-Wide-Field Fundus Ophthalmoscopy and Optical Coherence Tomography Angiography

doi: 10.1155/2021/6651175

Figure Lengend Snippet: Test 1 (no apparent diabetic retinopathy [NDR] or diabetic retinopathy [DR]) and test 2 (NDR or proliferative diabetic retinopathy [PDR]) were performed using the Optos (a), optical coherence tomography angiography (OCTA), Optos (b), Optos OCTA images (A1–A4; B0–B4). A1, B1: Superficial OCTA image; A2, B2: deep OCTA image; A3, B3: other retinal layer of the OCTA image; A4, B4: choriocapillaris layer of the OCTA image; B0: Optos image.

Article Snippet: The Optos, OCTA, and Optos OCTA imaging test results for comparison between NDR and DR showed mean areas under the curve (AUC) of 0.79, 0.883, and 0.847; sensitivity rates of 80.9%, 83.9%, and 78.6%; and specificity rates of 55%, 71.6%, and 69.8%, respectively.

Techniques: Tomography

Journal: Journal of Ophthalmology

Article Title: Accuracy of Diabetic Retinopathy Staging with a Deep Convolutional Neural Network Using Ultra-Wide-Field Fundus Ophthalmoscopy and Optical Coherence Tomography Angiography

doi: 10.1155/2021/6651175

Figure Lengend Snippet: Receiver-operating characteristic curve for test 1 (no apparent diabetic retinopathy [NDR] or diabetic retinopathy [DR]) for Optos, optical coherence tomography angiography (OCTA), and Optos OCTA images. The order of imaging methods used based on the accuracy of their results was as follows: OCTA, Optos OCTA, and Optos.

Article Snippet: The Optos, OCTA, and Optos OCTA imaging test results for comparison between NDR and DR showed mean areas under the curve (AUC) of 0.79, 0.883, and 0.847; sensitivity rates of 80.9%, 83.9%, and 78.6%; and specificity rates of 55%, 71.6%, and 69.8%, respectively.

Techniques: Tomography, Imaging

Journal: Journal of Ophthalmology

Article Title: Accuracy of Diabetic Retinopathy Staging with a Deep Convolutional Neural Network Using Ultra-Wide-Field Fundus Ophthalmoscopy and Optical Coherence Tomography Angiography

doi: 10.1155/2021/6651175

Figure Lengend Snippet: Receiver-operating characteristic curve for test 2 (no apparent diabetic retinopathy [NDR] vs. proliferative diabetic retinopathy [PDR]) for Optos, optical coherence tomography angiography (OCTA), and Optos OCTA images. The order of imaging methods used based on the accuracy of their results was as follows: Optos, Optos OCTA, and OCTA.

Article Snippet: The Optos, OCTA, and Optos OCTA imaging test results for comparison between NDR and DR showed mean areas under the curve (AUC) of 0.79, 0.883, and 0.847; sensitivity rates of 80.9%, 83.9%, and 78.6%; and specificity rates of 55%, 71.6%, and 69.8%, respectively.

Techniques: Tomography, Imaging

Journal: Journal of Ophthalmology

Article Title: Accuracy of Diabetic Retinopathy Staging with a Deep Convolutional Neural Network Using Ultra-Wide-Field Fundus Ophthalmoscopy and Optical Coherence Tomography Angiography

doi: 10.1155/2021/6651175

Figure Lengend Snippet: Sensitivity and specificity values and 95% confidence intervals.

Article Snippet: The Optos, OCTA, and Optos OCTA imaging test results for comparison between NDR and DR showed mean areas under the curve (AUC) of 0.79, 0.883, and 0.847; sensitivity rates of 80.9%, 83.9%, and 78.6%; and specificity rates of 55%, 71.6%, and 69.8%, respectively.

Techniques:

Journal: Retina (Philadelphia, Pa.)

Article Title: MACULAR BLOOD FLOW CHANGES IN BRANCH RETINAL VEIN OCCLUSION EXAMINED BY OPTICAL COHERENCE TOMOGRAPHY ANGIOGRAPHY VARIABLE INTERSCAN TIME ANALYSIS

doi: 10.1097/IAE.0000000000003596

Figure Lengend Snippet: Quantitative sectoral evaluations of the macular retinal vasculature using OCTA for patients with branch retinal vein occlusion. A. Averaged OCTA images of the macular area, with a scanning area of 4 × 4 mm 2 . B. Binarized OCTA image. On the binarized image, the parafoveal VD is calculated as the ratio of the area occupied by the vessels to the total area of each sector. C. The VD color map made by the device's software program. These procedures ( A–C ) were performed using OCTA images acquired at ISTs of 7.6 milliseconds and 20.6 milliseconds for each patient.

Article Snippet: At the time of inclusion in the study, each patient underwent high-resolution spectral domain OCTA (OCT-A1, Canon Inc., Tokyo, Japan) in addition to routine examinations that included measurement of the best-corrected visual acuity (BCVA) using a Landolt chart, measurement of the intraocular pressure, slit-lamp biomicroscopy, and OCT. For OCTA images, a foveal area (4 × 4 mm 2 ; 464 × 464 pixels) was imaged in the rescan mode, where the scanner once captures the area from top to bottom and then goes back to rescan only the area that could not to be captured in the first scan.

Techniques: Software

Journal: Retina (Philadelphia, Pa.)

Article Title: MACULAR BLOOD FLOW CHANGES IN BRANCH RETINAL VEIN OCCLUSION EXAMINED BY OPTICAL COHERENCE TOMOGRAPHY ANGIOGRAPHY VARIABLE INTERSCAN TIME ANALYSIS

doi: 10.1097/IAE.0000000000003596

Figure Lengend Snippet: Characteristics of Included Patients With Branch Retinal Vein Occlusion

Article Snippet: At the time of inclusion in the study, each patient underwent high-resolution spectral domain OCTA (OCT-A1, Canon Inc., Tokyo, Japan) in addition to routine examinations that included measurement of the best-corrected visual acuity (BCVA) using a Landolt chart, measurement of the intraocular pressure, slit-lamp biomicroscopy, and OCT. For OCTA images, a foveal area (4 × 4 mm 2 ; 464 × 464 pixels) was imaged in the rescan mode, where the scanner once captures the area from top to bottom and then goes back to rescan only the area that could not to be captured in the first scan.

Techniques:

Journal: Retina (Philadelphia, Pa.)

Article Title: MACULAR BLOOD FLOW CHANGES IN BRANCH RETINAL VEIN OCCLUSION EXAMINED BY OPTICAL COHERENCE TOMOGRAPHY ANGIOGRAPHY VARIABLE INTERSCAN TIME ANALYSIS

doi: 10.1097/IAE.0000000000003596

Figure Lengend Snippet: Two representative cases with recurrence of BRVO-associated macular edema examined by VISTA. A – D. A 73-year-old woman with inferotemporal BRVO in the left eye. Optical coherence tomography angiography acquired using IST of 7.6 milliseconds ( A ) and 20.6 milliseconds ( B ). C and D. Optical coherence tomography retinal thickness maps. At the initial visit, the Snellen visual acuity was 20/32. The patient received four anti-VEGF treatments for the macular edema before the VISTA examination. At the VISTA examination ( A – C ), the macular edema is substantially resolved, and the Snellen visual acuity improved to 20/12. The comparison between the OCTA images taken using ISTs of 20.6 milliseconds ( B ) and 7.6 milliseconds ( A ) shows that the parafoveal VDs increased in the affected and nasal sectors. Two months after the therapy ( D ), the macular edema recurred in the inferonasal parafovea where the parafoveal VD increased in the VISTA examination. E – H. A 70-year-old man with superotemporal BRVO in the left eye. Optical coherence tomography angiograms obtained using an IST of 7.6 milliseconds ( E ) and 20.6 milliseconds ( F ). G and H. Optical coherence tomography retinal thickness maps. At the initial visit, the Snellen visual acuity was 20/50. The patient received six anti-VEGF treatments for the macular edema before the VISTA examination. At the VISTA examination ( E – G ), the macular edema was substantially resolved, and the Snellen visual acuity improved to 20/12. A comparison between the images taken using ISTs of 20.6 milliseconds ( F ) and 7.6 milliseconds ( E ) shows that the parafoveal VD increased in the affected sector. Two months after the therapy ( H ), the macular edema recurred in the upper parafovea where the parafoveal VD increased in the VISTA examination.

Article Snippet: At the time of inclusion in the study, each patient underwent high-resolution spectral domain OCTA (OCT-A1, Canon Inc., Tokyo, Japan) in addition to routine examinations that included measurement of the best-corrected visual acuity (BCVA) using a Landolt chart, measurement of the intraocular pressure, slit-lamp biomicroscopy, and OCT. For OCTA images, a foveal area (4 × 4 mm 2 ; 464 × 464 pixels) was imaged in the rescan mode, where the scanner once captures the area from top to bottom and then goes back to rescan only the area that could not to be captured in the first scan.

Techniques: Tomography, Comparison