Ento Key

Fig. 27.1 Non-penetrating or closed-globe injuries may occur by several mechanisms thus damaging a variety of different retinal structures including the iris (1), trabecular mash work (2), lens fibers (3),…

Fig. 25.1 Chronic uveitis. SD-OCT with corresponding red-free showing epiretinal membrane with retinal thickening due to chronic uveitis. The absence of intra-retinal hyporeflective spaces is useful in excluding cystic macular…

Fig. 20.1 Normal posterior vitreous in the normal eye of a 30-year old woman. Horizontal 12-mm B-scan. (a) The vitreous cortex is completely attached to the retinal surface of the…

Fig. 2.1 Three-dimensional segmentation maps. (a) Internal limiting membrane-retinal pigment epithelium (ILM-RPE) thickness map. (b) ILM surface contour segmentation map.(c) RPE surface topography map The three-dimensional reconstructed macular cube gives…

Fig. 6.1 Repeated raster scans at the same location of interest for OCT angiography imaging An en face view of motion-related signals provides OCT angiography images, the same as fundus…

Fig. 24.1 Retinitis pigmentosa/rod-cone dystrophy. (a) A fundus photo of a 65-year-old male with retinitis pigmentosa showing early changes which include vessel attenuation and retinal pigment epithelium atrophy. (b) The…

Fig. 3.1 (a) Direct fundus examination. (b) Standard fundus (en face) view right eye Optical coherence tomography (OCT) was a major leap forward providing clinicians access to the cross-sectional details…

Fig. 18.1 Acute central serous chorioretinopathy. SD-OCT showing high height of subretinal fluid relative to the basal diameter of the fluid 18.2.2 Fibrin in Central Serous Chorioretinopathy As early as…

Fig. 22.1 Myopic staphyloma. SD-OCT showing deep posterior staphyloma. Both edges of the structure are inverted and delineated as an inverted image Because of relatively small pathology and unstable fixation,…

OCT feature Description PED (pigment epithelial detachment) Areas of detached pigment epithelium. The lesion is filled with serous fluid and/or fibrovascular tissue SHRM (subretinal hyperreflective material) Thickening of the outer…