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Optic disc drusen
64yoOptic disc drusen appear as small, yellowish deposits within the optic nerve head and are visible on fundus examination, often with a lumpy or irregular appearance. These drusen can sometimes simulate optic disc edema, so accurate identification is essential. They may increase the risk of visual field defects and require monitoring for associated complications.
#OpticDiscDrusen #FundusExam #OpticNerve #VisualFieldDefects #RetinaImaging #retina #oftalmo #ophthalmology #oftalmologia #oftalmología #ophtalmologie #офтальмологія #офтальмология #οφθαλμολογία #retinography2024 #CIRRUS6000 #CLARUS700 #ZEISSRETINAWORKFLOW
Other Cases
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Acquired Vitelliform Lesion
74yoAcquired Vitelliform Lesions (AVL) are characterized by subretinal yellowish deposits and can be assessed using fundus autofluorescence (FAF). FAF imaging shows hyperautofluorescence in the lesion area due to lipofuscin accumulation. Over time, hypoautofluorescence may appear as the retinal pigment epithelium (RPE) degenerates, making FAF essential for monitoring disease progression. #AVL […]
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Polipoidal choroidal vasculopathy
71yoIn polypoidal choroidal vasculopathy (PCV), Optical Coherence Tomography (OCT) reveals several key biomarkers: Sub-RPE bulb-shaped elevations, corresponding to polyps. Double-layer sign (DLS), indicating separation between the RPE and Bruch’s membrane. Thumb-like pigment epithelial detachment (PED), a characteristic rounded elevation of the RPE. Subretinal fluid or hemorrhage, indicative of disease activity. […]
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BRVO: Macula sparing
82yoBranch retinal vein occlusion (BRVO) sparing the macula often remains asymptomatic, as central vision is preserved. These cases are typically identified incidentally during routine fundus examination or imaging. Management usually involves observation unless complications like peripheral ischemia or neovascularization develop, requiring interventions such as laser photocoagulation. #BRVO #AsymptomaticBRVO #PeripheralIschemia #RetinaImaging […]
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Epiretinal membrane
60yoEpiretinal membrane (ERM) can be effectively assessed using en-face OCT imaging at the level of the vitreoretinal interface (VRI). This technique provides a detailed top-down view, clearly outlining the extent and pattern of the membrane, including tractional changes it may impose on the retina. En-face VRI imaging is invaluable for […]
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Vitreomacular traction: Spontaneous release
60yoVitreomacular traction (VMT) occurs when the vitreous exerts abnormal traction on the macula. Spontaneous release can occur as the vitreous detaches completely, relieving the traction. Optical Coherence Tomography (OCT) is critical for identifying VMT and documenting its resolution, showing the absence of traction and restoration of normal macular contour after […]
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AMD: Geographic atrophy
96yoIn age-related macular degeneration (AMD) with geographic atrophy (GA), en-face OCT imaging reveals areas of hypertransmission through the atrophic regions. This hypertransmission results from increased light penetration through the loss of retinal pigment epithelium (RPE) and outer retinal layers, providing detailed visualization of the extent and shape of atrophic zones. […]
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AMD: Geographic atrophy
87yoIn age-related macular degeneration (AMD) with geographic atrophy (GA), fundus autofluorescence (FAF) and near-infrared reflectance (NIR) imaging are essential tools. FAF highlights hypoautofluorescent areas corresponding to RPE loss and hyperautofluorescent borders indicating regions at risk for progression. NIR provides high-contrast imaging of atrophic regions and choroidal changes, complementing FAF for […]
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Sickle cell retinopathy
15yoIn sickle cell retinopathy, peripheral ischemia occurs due to the occlusion of small retinal blood vessels by sickle-shaped red blood cells, which have decreased flexibility and increased adhesion to vascular endothelium. These blockages cause oxygen deprivation in the peripheral retina, leading to tissue hypoxia, neovascularization (e.g., sea fan formations), and […]
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Diabetic retinopathy: ERM following PRP
79yoIn proliferative diabetic retinopathy (PDR), panretinal photocoagulation (PRP) is a standard treatment to reduce neovascularization and prevent vision loss. However, PRP may contribute to the formation of an epiretinal membrane (ERM) due to retinal inflammation and scarring. ERM can cause visual distortion and may require surgical peeling if it significantly […]
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Optic disc drusen
64yoOptic disc drusen appear as small, yellowish deposits within the optic nerve head and are visible on fundus examination, often with a lumpy or irregular appearance. These drusen can sometimes simulate optic disc edema, so accurate identification is essential. They may increase the risk of visual field defects and require […]