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Immunohistochemical and Calcium Imaging Methods in Wholemount Rat Retina
Published on: October 13, 2014
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Advances in retinal ganglion cell imaging
S I Balendra1, E M Normando1,2, P A Bloom2
1Glaucoma and Retinal Neurodegeneration Group, Department of Visual Neuroscience, UCL Institute of Ophthalmology, London, UK.
Eye (London, England)
|August 22, 2015
Summary
Glaucoma diagnosis needs earlier detection of retinal ganglion cell (RGC) loss. New imaging techniques show promise for non-invasive RGC visualization in vivo, aiding glaucoma management.
Area of Science:
- Ophthalmology
- Neuroscience
- Medical Imaging
Background:
- Glaucoma is a leading cause of irreversible blindness, characterized by progressive retinal ganglion cell (RGC) loss.
- Current diagnostic methods detect glaucoma only after significant RGC damage and visual field loss, necessitating earlier detection strategies.
Purpose of the Study:
- To review challenges and advances in imaging RGCs for early glaucoma diagnosis and monitoring.
- To explore novel in vivo imaging techniques for non-invasive RGC assessment.
Main Methods:
- Review of current and emerging retinal imaging modalities (OCT, CLSO, adaptive optics).
- Discussion of techniques for RGC-specific imaging, including detection of apoptotic RGCs (DARC).
Main Results:
- Recent imaging advances offer potential for high-specificity, in vivo RGC imaging.
- Techniques like DARC show promise in preclinical studies for detecting early glaucomatous changes.
Conclusions:
- Earlier diagnosis of glaucoma is crucial for effective therapeutic intervention.
- Advanced retinal imaging techniques hold significant potential for clinical translation in glaucoma diagnostics.
