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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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Noninvasive Sampling of Mucosal Lining Fluid for the Quantification of In Vivo Upper Airway Immune-mediator Levels

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Published on: August 7, 2017

Tele-Ophthalmology for Retinal Health Surveillance in Denmark.

Marie L R Rasmussen^1,2, Danson V Muttuvelu^1,3, Lasse J Cehofski⁴

¹Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark.

Ophthalmology and Therapy

|January 13, 2026

Summary

This summary is machine-generated.

Population health surveillance of retinal health in Denmark is feasible using optometrist-based retinal examinations and tele-ophthalmology. This approach provides stable, near real-time indicators of retinal disease across the Danish population.

Keywords:

Health surveillance Population health Retinal diseases Tele-ophthalmology

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Area of Science:

Ophthalmology
Public Health
Health Informatics

Background:

Population health surveillance is crucial for monitoring disease prevalence and guiding public health interventions.
Retinal health is an important indicator of systemic health, but traditional surveillance methods can be limited.
Optometrist-based opportunistic screenings offer a potential avenue for broader population reach.

Purpose of the Study:

To evaluate the feasibility and potential of population health surveillance of retinal health in Denmark.
To assess the utility of optometrist-based opportunistic retinal examinations integrated with a tele-ophthalmology pathway.
To determine the coverage and demographic characteristics of individuals undergoing retinal imaging in a community setting.

Main Methods:

Utilized 12 months of data from 79 high-street optometrist stores across Denmark.
Imaged 355,818 unique individuals, representing 5.99% of the Danish population.
Employed statistical methods including Wilson score intervals with finite-population correction to estimate prevalence.

Main Results:

Achieved significant population coverage (5.99%), particularly in the 41-80 age group (8.17%-8.68%).
Observed higher participation rates in females (6.77%) compared to males (5.19%).
Demonstrated that large-scale population imaging yields prevalence estimates with narrow 95% confidence intervals.

Conclusions:

Community-based optometrist imaging with tele-ophthalmology can establish robust population health surveillance for retinal diseases.
This model provides stable, near real-time indicators of retinal health at a population level.
Acknowledged the importance of addressing potential selection bias in data interpretation.