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Related Concept Videos

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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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Updated: May 31, 2026

Ex Vivo OCT-Based Multimodal Imaging of Human Donor Eyes for Research into Age-Related Macular Degeneration
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Macular cysts in retinal dystrophy.

Anuradha Ganesh1, Eliza Stroh, George J Manayath

  • 1Pediatric Ophthalmology and Ocular Genetics, Wills Eye Institute, Philadelphia, Pennsylvania 19107-5109, USA.

Current Opinion in Ophthalmology
|July 7, 2011
PubMed
Summary
This summary is machine-generated.

Macular cysts in retinal dystrophy can be distinguished from cystoid macular edema (CME) using imaging and genetic tests. Carbonic anhydrase inhibitors may help resolve these cysts and improve vision.

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Area of Science:

  • Ophthalmology
  • Genetics
  • Medical Imaging

Background:

  • Macular cysts can occur in various retinal dystrophies.
  • Distinguishing these from cystoid macular edema (CME) is crucial for appropriate management.
  • Genetic mutations and specific retinopathies are associated with macular cysts.

Purpose of the Study:

  • To describe macular cysts in retinal dystrophy.
  • To differentiate them from cystoid macular edema (CME).
  • To review the role of carbonic anhydrase inhibitors in managing these cysts.

Main Methods:

  • Optical coherence tomography (OCT) for visualizing intraretinal cysts.
  • Intravenous fluorescein angiography (IVFA) to assess for leakage.
  • Molecular genetic testing to identify causative mutations.
  • Clinical examination for diagnosis.

Main Results:

  • Macular cysts in retinal dystrophy are associated with NR2E3 gene mutations, juvenile X-linked retinoschisis (XLRS), and other dystrophies.
  • OCT clearly shows cysts, which may not be clinically apparent.
  • IVFA typically does not show macular hyperfluorescence (leakage) in these dystrophies.
  • Genetic testing aids in diagnosis and understanding pathophysiology.

Conclusions:

  • Non-CME macular cysts in retinal dystrophies can be differentiated from CME using clinical examination, IVFA, and molecular genetic testing.
  • Carbonic anhydrase inhibitors show potential efficacy in resolving macular cysts and improving visual function.