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Visualization and Grading of Vitreous Floaters Using Dynamic Ultra-Widefield Infrared Confocal Scanning Laser
Gerardo Garcia-Aguirre1,2, Andree Henaine-Berra3, Guillermo Salcedo-Villanueva1
1Retina Department, Asociación para Evitar la Ceguera en México I.A.P., Mexico City 04030, Mexico.
Journal of Clinical Medicine
|October 14, 2022
Summary
Dynamic ultra-widefield infrared confocal scanning laser ophthalmoscopy (IRcSLO) effectively visualizes vitreous opacities and their impact on vision. This technology aids in assessing the severity and characteristics of floaters, improving patient care.
Area of Science:
- Ophthalmology
- Medical Imaging
- Retinal Imaging
Background:
- Vitreous opacities, commonly known as floaters, significantly impact patient quality of life.
- Accurate assessment of vitreous opacities is crucial for diagnosis and management.
Purpose of the Study:
- To describe the appearance of vitreous opacities using dynamic ultra-widefield infrared confocal scanning laser ophthalmoscopy (IRcSLO).
Main Methods:
- A retrospective case series analyzed eyes of patients with myodesopsia.
- Dynamic ultra-widefield IRcSLO imaging was employed to visualize and classify vitreous opacities based on a severity scale.
Main Results:
- Thirty eyes from 21 patients were studied, with posterior vitreous detachment being the most common cause of floaters.
- Opacities ranged from Grade 1 to Grade 5, with younger patients exhibiting Grade 1 opacities.
- Correlation was observed between opacity grade and the presence of a Weiss ring, a key indicator of posterior vitreous detachment.
Conclusions:
- Dynamic ultra-widefield IRcSLO is a valuable tool for evaluating vitreous floaters.
- The imaging technique allows for detailed visualization of opacity characteristics and their retinal projection.
- Findings correlate positively with patient-reported floater perception.
