Smartphone-based Ophthalmoscopy

Comparison of Smartphone-based Ophthalmoscopy Versus Dilated Ophthalmic Examination for Diabetic and Nondiabetic Eye Disease

Status

Completed

Phases

Study type

Interventional

Source

ClinicalTrials.gov

Registry ID

NCT02177747

Enrollment

120

Registered

2014-06-30

Start date

2013-11-30

Completion date

2014-04-30

Last updated

2014-06-30

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Diabetic Retinopathy Grading

Brief summary

A subset of 120 diabetic patients underwent dilated examination and smartphone ophthalmoscopy. The smartphone was equipped with a compact add-on that filtered and delivered the smartphone's LED light coaxially to the camera, allowing a clear and convenient view of the retina.

Interventions

OTHEROphthalmoscopy conducted using a smartphone equipped with a compact addon

DEVICESmartphone

Study design

Allocation

Intervention model

SINGLE_GROUP

Eligibility

Sex/Gender

ALL

Age

18 Years to No maximum

Healthy volunteers

Inclusion criteria

* type 1 or 2 diabetes * ability to provide written informed consent

Exclusion criteria

* significant optic media opacities

Design outcomes

Primary

Measure	Time frame	Description
Diabetic retinopathy grading	The same day as dilated ophthalmic examination	The grading was performed according to the Early Treatment Diabetic Retinopathy Study (ETDRS) diabetic retinopathy classification. Grade 0: no diabetic retinopathy Grade 1: mild non-proliferative diabetic retinopathy Grade 2: average non-proliferative diabetic retinopathy Grade 3: severe non-proliferative diabetic retinopathy Grade 4: proliferative diabetic retinopathy

Countries

Italy

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026