Retinal Edema: Postulated Mechanism(s)

  • Paul Kenking
  • Roy W. Bellhorn
  • Burton Schall


Retinal edema has been recognized and described by ophthalmologists and ophthalmic pathologists for more than a century (Duke-Elder, 1941, 1967). The advent of fluorescein angiography as a practical clinical procedure has revealed that retinal edema is very common, and a major cause of visual disturbance in many conditions (Table 1). In spite of this veritable explosion in clinical knowledge, little has been written about the mechanism(s) of retinal edema. It is generally recognized that the edema follows some derangement of either the blood-retinal (BR) or retinal pigment epithelial (RPE) “barrier”. While there is some information of a general nature concerning these barriers, little is known about the quality and quantity of materials which normally traverse the barriers in order to nourish the retina, and even less about the composition of edema fluid.


Retinal Vein Occlusion Retinal Vessel Cystoid Macular Edema Outer Plexiform Layer Edema Fluid 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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Copyright information

© Springer Science+Business Media New York 1980

Authors and Affiliations

  • Paul Kenking
    • 1
  • Roy W. Bellhorn
    • 1
  • Burton Schall
    • 1
  1. 1.Department of OphthalmologyMontefiore Hospital & Medical Center/Albert Einstein College of MedicineBronxUSA

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