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Updated: Aug 5, 2026
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Quantitative Fundus Autofluorescence for the Evaluation of Retinal Diseases
Published on: March 11, 2016
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Choroidal nevus through a broader vision: Retinal imaging acquisition captured with Broad Line Fundus Imaging
Gabriel Castilho S Barbosa1, Eduardo F Marback2, Eduardo A Novais3
1Department of Ophthalmology, Suel Abujamra Institute, São Paulo, Brazil.
European Journal of Ophthalmology
|February 27, 2024
Summary
Broad Line Fundus Imaging (BLFI) reveals choroidal nevi are best visualized on the red channel (RC). This imaging technology aids in the diagnosis and monitoring of choroidal nevi.
Area of Science:
- Ophthalmology
- Medical Imaging
Background:
- Choroidal nevi are common benign melanocytic tumors.
- Accurate imaging is crucial for diagnosis and monitoring.
Purpose of the Study:
- To evaluate the imaging characteristics of choroidal nevi using Broad Line Fundus Imaging (BLFI).
- To identify optimal imaging channels for visualizing choroidal nevi.
Main Methods:
- Retrospective analysis of 14 patients with choroidal nevus.
- Image acquisition using BLFI technology.
Main Results:
- Choroidal nevi were undetectable in the blue (BC) and green channels (GC).
- Drusen appeared as focal dots in BC and GC.
- Lesions were well-defined dark spots with enhanced contrast on the red channel (RC).
- RC provided superior visualization, measurement, and characterization compared to other channels and true-color imaging.
Conclusions:
- BLFI is a potentially valuable tool for choroidal nevus presentation, diagnosis, and monitoring.
- The red channel (RC) of BLFI offers superior assessment of choroidal nevi due to its wavelength and penetration depth.
