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Related Experiment Video

Updated: May 19, 2026

Handheld Metal Detector Screening for Metallic Foreign Body Ingestion in Children
04:55

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Published on: September 11, 2018

[Fundus screening by medical technicians].

F Schütt1, T Bruckner, K Schäfer

  • 1Augenklinik, Universität Heidelberg, INF 400, 69120, Heidelberg, Deutschland. florian.schuett@med.uni-heidelberg.de

Der Ophthalmologe : Zeitschrift Der Deutschen Ophthalmologischen Gesellschaft
|August 21, 2012
PubMed
Summary
This summary is machine-generated.

A trained medical technician can effectively screen patients using nonmydriatic digital fundus photography for ocular and systemic diseases. While feasible, ophthalmologists remain essential for accurate diagnosis, improving patient screening efficiency.

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Area of Science:

  • Ophthalmology
  • Internal Medicine
  • Medical Imaging

Background:

  • Ocular fundus photography is crucial for detecting ocular and systemic diseases.
  • Screening for these conditions in internal medicine departments can improve patient outcomes.
  • Nonmydriatic digital fundus photography offers a non-invasive method for retinal examination.

Purpose of the Study:

  • To evaluate the efficacy of nonmydriatic digital fundus photography for broad disease screening in an internal medicine setting.
  • To assess the performance of a trained medical technician in interpreting fundus photographs.
  • To determine the feasibility of integrating ophthalmological screening into internal medicine.

Main Methods:

  • A medical technician received 8 weeks of training in operating a nonmydriatic fundus camera and interpreting images.
  • The technician and an ophthalmologist independently evaluated fundus photographs from 218 patients using a custom questionnaire.
  • Statistical analysis was performed to compare the detection rates and diagnostic accuracy between the technician and the ophthalmologist.

Main Results:

  • The fundus camera proved user-friendly, with the technician achieving proficiency after several weeks.
  • The medical technician identified 68% of pathological cases, while the ophthalmologist identified 75% (p=0.0003).
  • The technician missed 7% of patients and made some faulty diagnoses, highlighting the need for expert oversight.

Conclusions:

  • Ophthalmological screening by a trained medical technician using nonmydriatic digital fundus photography is feasible in internal medicine.
  • This approach can facilitate the examination of a large patient cohort and uncover previously unrecognized diseases.
  • While technicians can perform initial screening, final diagnosis remains the responsibility of ophthalmologists, suggesting a collaborative model.