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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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Photoreceptor Characteristics in Diabetic Retinopathy vs Controls Using Adaptive Optics Imaging: Systematic Review.

Justin Grad1, Amin Hatamnejad1, Niveditha Pattathil2

  • 1Michael DeGroote School of Medicine, McMaster University, Hamilton, ON, Canada.

Journal of Vitreoretinal Diseases
|November 14, 2024
PubMed
Summary
This summary is machine-generated.

Adaptive optics (AO) imaging reveals significant photoreceptor changes in diabetes and diabetic retinopathy (DR). Cone regularity is a key indicator, with AO showing potential for future DR screening tools.

Keywords:
diabetic retinopathyophthalmoscopyoptical coherence tomographyretinal cone photoreceptor cells

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Area of Science:

  • Ophthalmology
  • Diabetology
  • Medical Imaging

Background:

  • Diabetes and diabetic retinopathy (DR) are leading causes of vision loss.
  • Early detection of retinal changes is crucial for managing diabetes and preventing complications.
  • Adaptive optics (AO) imaging offers high-resolution visualization of retinal structures.

Purpose of the Study:

  • To evaluate morphological photoreceptor differences using AO imaging in individuals with diabetes/prediabetes versus healthy controls.
  • To identify specific photoreceptor parameters sensitive to diabetes-related changes.
  • To assess the potential of AO imaging as a screening tool for diabetes and DR.

Main Methods:

  • Systematic literature review of MEDLINE, Embase, and Cochrane databases (Jan 2000 - June 2023).
  • Inclusion of studies using AO-assisted imaging to compare photoreceptor outcomes in diabetic/prediabetic patients and controls.
  • Quantitative analysis of data from 11 included studies (551 eyes).

Main Results:

  • Significant differences in photoreceptor morphology were observed between diabetic and healthy populations, especially with increasing DR severity.
  • Cone regularity emerged as the most sensitive parameter for detecting these differences.
  • AO imaging showed limited ability to differentiate individuals with diabetes without DR or with mild DR from controls.

Conclusions:

  • AO imaging demonstrates potential for detecting diabetes and DR-related changes, particularly in more advanced stages.
  • Further research is needed to validate AO's utility as a screening tool for diabetes and DR.
  • Standardization of AO imaging protocols is recommended for improved quantitative comparisons in future studies.