Diabetic Macular Edema - EyeWiki
Diabetic macular edema (DME) is the accumulation of excess fluid in the extracellular space within the retina in the macular area, typically in the inner nuclear, outer plexiform, Henle’s fiber layer, and subretinal space. Pathophysiology
Diabetic Macular Edema: What is Focal and What is Diffuse?
Larssen and colleagues state, “Diffuse macular edema was defined as having two or more disk areas of retinal thickening and involving the center of the macula”, and “Focal edema was defined as an area of retinal thickening less than two disk areas in diameter not affecting the center of the macula”. 50 The cut-point for area and the ...
Mechanisms of macular edema - Frontiers
Three patterns of macular edema have been described using OCT: cystoid macular edema, diffuse macular edema, and subretinal detachment (6, 7). Diffuse retinal thickening is the main pattern in diabetic macular edema (4, 6), while in retinal vascular occlusions, accumulation of subretinal fluid is common .
Macular Edema - StatPearls - NCBI Bookshelf
2022年1月14日 · Macular edema is a retinal condition characterized by fluid buildup in the central part of the retina responsible for sharp, central vision, and accompanies various retinal diseases such as diabetic retinopathy, retinal vascular occlusions, and uveitis.
Diabetic Maculopathy - Ophthalmology
Retinal ischemia and edema are the two major intraretinal components of diabetic maculopathy. Focal macular edema is caused by focal leakage from retinal microaneurysms and dilated capillary segments; diffuse edema is caused by leakage from diffusely dilated retinal capillaries throughout the posterior pole.
Diabetic Macular Edema: What Is Focal and What Is Diffuse?
2008年11月1日 · Little evidence exists that characteristics of DME described by the terms focal and diffuse help to explain variation in visual acuity or response to treatment. It is unresolved whether a concept of focal and diffuse DME will prove clinically useful despite frequent use of the terms when describing management of DME.
Diabetic Macular Edema: Current Understanding, Molecular …
Diabetic macular edema (DME) remains the main cause of vision impairment in diabetic patients, with its pathogenesis still not completely elucidated. Vascular endothelial growth factor (VEGF) plays a pivotal role in the pathogenesis of DR and DME.
Macular Edema in Diabetes - Medscape
2023年8月28日 · Diffuse edema is caused by leakage from microaneurysms, retinal capillaries, and arterioles. Diabetes is the leading cause of new blindness in the United States, with...
Diabetic Macular Edema: What Is Focal and What Is Diffuse?
The terms focal and diffuse are used frequently to differentiate two types of diabetic macular edema (DME), although these two terms have not been defined consistently in the literature. 1–16 Focal DME defined in a variety of ways has been reported to be more common than diffuse DME, but many cases of DME subjected to these definitions have ...
Understanding Macular Edema: Causes and Treatments
2024年9月2日 · There are two main types of macular edema: focal and diffuse. Focal macular edema involves fluid buildup in a specific area of the macula, while diffuse macular edema affects the entire macula. Various underlying health issues can cause macular edema, including diabetes, age-related macular degeneration, retinal vein occlusion, and uveitis.