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Related Experiment Video

Updated: Jun 27, 2026

Subretinal Transplantation of Human Embryonic Stem Cell Derived-retinal Pigment Epithelial Cells into a Large-eyed Model of Geographic Atrophy
11:03

Subretinal Transplantation of Human Embryonic Stem Cell Derived-retinal Pigment Epithelial Cells into a Large-eyed Model of Geographic Atrophy

Published on: January 22, 2018

[Massive subretinal bleeding--treat it or leave it?].

F M Schroeder1, S Mennel, J C Schmidt

  • 1Augenklinik, Philipps-Universität Marburg. michaelschroeder@web.de

Klinische Monatsblatter Fur Augenheilkunde
|December 17, 2008
PubMed
Summary
This summary is machine-generated.

Pars plana vitrectomy and subretinal surgery can restore vision in eyes with massive subretinal hemorrhages. However, large pigment epithelial defects after surgery can limit visual recovery, impacting quality of life.

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Last Updated: Jun 27, 2026

Subretinal Transplantation of Human Embryonic Stem Cell Derived-retinal Pigment Epithelial Cells into a Large-eyed Model of Geographic Atrophy
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Retinal Pigment Epithelium Transplantation in a Non-human Primate Model for Degenerative Retinal Diseases
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Retinal Pigment Epithelium Transplantation in a Non-human Primate Model for Degenerative Retinal Diseases

Published on: June 14, 2021

Area of Science:

  • Ophthalmology
  • Retinal Surgery
  • Vision Science

Background:

  • Massive subretinal hemorrhages pose a significant threat to vision.
  • Preserving ambulatory vision is crucial, especially in patients with monocular vision.
  • Current surgical interventions aim to restore sight but face limitations.

Purpose of the Study:

  • To evaluate the efficacy of pars plana vitrectomy and subretinal surgery for massive subretinal hemorrhages.
  • To identify challenges in visual rehabilitation following these procedures.
  • To explore the impact of pigment epithelial defects on visual outcomes.

Main Methods:

  • Pars plana vitrectomy.
  • Subretinal surgery.
  • Assessment of visual function and pigment epithelial integrity.

Main Results:

  • Ambulatory vision can be achieved through pars plana vitrectomy and subretinal surgery.
  • Large pigment epithelial defects are a common sequela.
  • These defects significantly limit visual rehabilitation.

Conclusions:

  • Pars plana vitrectomy and subretinal surgery are vital for restoring vision in severe retinal cases.
  • The significant pigment epithelial defect remains a critical challenge for visual recovery.
  • Alternative methods like rTPA/gas injection or macular translocation are insufficient alone.