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Related Experiment Video

Updated: Mar 7, 2026

Quantification of Vascular Parameters in Whole Mount Retinas of Mice with Non-Proliferative and Proliferative Retinopathies
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Retinal angiomatous proliferation.

Andrew S H Tsai1, Ning Cheung1, Alfred T L Gan2

  • 1Singapore National Eye Centre, Singapore; Singapore Eye Research Institute, Singapore; Duke-NUS Medical School, National University of Singapore, Singapore.

Survey of Ophthalmology
|February 13, 2017
PubMed
Summary
This summary is machine-generated.

Retinal angiomatous proliferation (RAP), a form of wet age-related macular degeneration, presents unique clinical features and may lead to severe vision loss. While anti-VEGF therapy is primary, outcomes vary, necessitating further research for optimal treatment.

Keywords:
age-related macular degenerationanti-vascular endothelial growth factorchoroidal neovascularizationfundus fluorescein angiographyoptical coherence tomographyphotodynamic therapypigment epithelial detachmentretinal angiomatous proliferation

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Area of Science:

  • Ophthalmology
  • Retinal Diseases
  • Age-Related Macular Degeneration

Background:

  • Retinal angiomatous proliferation (RAP) is a distinct subtype of neovascular age-related macular degeneration (AMD).
  • RAP affects up to 15% of patients with wet AMD and is associated with specific clinical signs like pigment epithelial detachments and reticular pseudodrusen.
  • This condition can lead to severe vision impairment due to retinal pigment epithelial tears and geographic atrophy.

Purpose of the Study:

  • To review the current understanding of Retinal Angiomatous Proliferation (RAP).
  • To discuss diagnostic advancements and treatment strategies for RAP.
  • To highlight the need for further research into RAP's pathophysiology and management.

Main Methods:

  • Review of published studies on Retinal Angiomatous Proliferation (RAP).
  • Discussion of diagnostic imaging techniques, including indocyanine green angiography and optical coherence tomography.
  • Analysis of current and potential therapeutic interventions for RAP.

Main Results:

  • Clinical features of RAP include bilateral disease, PEDs, and reticular pseudodrusen.
  • Optical coherence tomography enhances diagnosis and monitoring of RAP compared to traditional methods.
  • Anti-vascular endothelial growth factor (anti-VEGF) therapy is the current first-line treatment, though outcomes can be variable.

Conclusions:

  • RAP presents unique challenges in diagnosis and management within neovascular AMD.
  • While current treatments offer therapeutic options, the visual prognosis for RAP can be guarded.
  • Further research is crucial to elucidate RAP's pathophysiology, refine classification, and establish optimal treatment protocols.