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Related Concept Videos

Diabetic Retinopathy01:27

Diabetic Retinopathy

DefinitionDiabetic retinopathy is a microvascular complication of diabetes affecting the retinal blood vessels.Risk FactorsDiabetic retinopathy is present in almost all individuals with type 1 diabetes and more than 60% of those with type 2 diabetes after two decades of disease.The risk increases with poor glycemic control, hypertension, dyslipidemia, smoking, pregnancy, and puberty.Although cataracts and glaucoma are also more frequent in people with diabetes, retinopathy remains the leading...

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Related Experiment Video

Updated: May 19, 2026

Quantification of Vascular Parameters in Whole Mount Retinas of Mice with Non-Proliferative and Proliferative Retinopathies
12:28

Quantification of Vascular Parameters in Whole Mount Retinas of Mice with Non-Proliferative and Proliferative Retinopathies

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[Retinal angiomatous proliferations].

F M Heußen1, Y Ouyang, A M Joussen

  • 1Charité Universitätsmedizin Berlin, Klinik für Augenheilkunde, Berlin, Campus Virchow-Klinikum. florian.heussen@charite.de

Klinische Monatsblatter Fur Augenheilkunde
|August 21, 2012
PubMed
Summary

Retinal angiomatous proliferations (RAP), a form of wet age-related macular degeneration, affect 12-15% of patients. Distinctive signs and therapies differentiate RAP from other neovascularizations.

Area of Science:

  • Ophthalmology
  • Retinal Diseases
  • Neovascularization

Context:

  • Retinal angiomatous proliferations (RAP), or type 3 neovascularization, are a significant subtype of neovascular age-related macular degeneration (AMD).
  • RAP lesions are estimated to occur in 12-15% of patients diagnosed with AMD.
  • Key diagnostic indicators include extravascular hemorrhage, intraretinal hemorrhage, cystoid macular edema, and vascular anastomosis.

Purpose:

  • To summarize the diagnostic characteristics, prevalence, and therapeutic approaches for retinal angiomatous proliferations (RAP).
  • To differentiate RAP from other forms of neovascular AMD (Type 1 and Type 2).

Summary:

  • RAP lesions present with specific funduscopic signs and are diagnosed using ICG angiography or OCT.
  • These lesions exhibit unique demographic features and treatment responses compared to other neovascular AMD subtypes.

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  • Current treatments primarily involve anti-VEGF therapies, with growing interest in combination approaches like anti-VEGF and photodynamic therapy.

    • Impact:

    • Improved understanding of RAP characteristics aids in accurate diagnosis and tailored treatment strategies.
    • Highlights the need for specialized management of RAP within the broader context of age-related macular degeneration.
    • Suggests potential for combination therapies to enhance treatment efficacy for RAP patients.