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Diabetic Retinopathy

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 5, 2026

An Acute Retinal Model for Evaluating Blood Retinal Barrier Breach and Potential Drugs for Treatment

An Acute Retinal Model for Evaluating Blood Retinal Barrier Breach and Potential Drugs for Treatment

Published on: September 13, 2016

Risk stratifying retinal breaks.

Ashraf A Khan¹, Abha Gupta, Harry Bennett

¹Princess Alexandra Eye Pavilion, Edinburgh, United Kingdom.

Canadian Journal of Ophthalmology. Journal Canadien D'Ophtalmologie

|December 10, 2013

Summary

This summary is machine-generated.

Patients with retinal breaks and vitreous hemorrhage face higher risks of treatment failure after laser retinopexy. Early identification of these risk factors can guide timely specialist intervention to prevent retinal detachment.

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Area of Science:

Ophthalmology
Retinal Surgery

Background:

Argon laser retinopexy is a long-standing treatment for retinal breaks.
Preventing progression to retinal detachment (RD) is the primary goal.
Risk factors for RD progression after laser retinopexy require further elucidation.

Purpose of the Study:

To identify risk factors associated with treatment failure in patients undergoing laser retinopexy for retinal breaks.
To improve patient stratification for timely specialist retinal input.

Main Methods:

A retrospective review of 45 consecutive patients treated with laser retinopexy over six months.
Patients were classified by treatment success (complete, qualified) or failure based on treatment number or RD development.

Main Results:

Complete success was achieved in 53.5% of patients; qualified success in 34.9%; treatment failure in 11.6%.
Bridging blood vessels and vitreous hemorrhage were significantly associated with treatment failure.
Retinal detachment (RD) was significantly linked to the presence of vitreous hemorrhage.

Conclusions:

Retinal breaks with bridging blood vessels and vitreous hemorrhage indicate a higher risk of poor outcomes.
Subretinal fluid area was not a predictor of failure.
Prompt referral to a retina specialist is advised if laser treatment is incomplete or efficacy is uncertain.