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Application of Optical Coherence Tomography to a Mouse Model of Retinopathy
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A Prospective OCT Study of Rubella Retinopathy
Jyoti Matalia1, Anand Vinekar2, Neha Anegondi3
1Pediatric Ophthalmology Services, Narayana Nethralaya Eye Hospital, Bangalore, India.
Ophthalmology. Retina
|May 4, 2019
Summary
Congenital rubella syndrome (CRS) causes significant retinal changes, including reduced foveal and choroidal thickness. Handheld spectral-domain optical coherence tomography (SD-OCT) effectively visualizes these rubella retinopathy differences in children.
Area of Science:
- Ophthalmology
- Pediatric Ophthalmology
- Medical Imaging
Background:
- Congenital rubella syndrome (CRS) is a preventable viral illness that can cause significant ocular abnormalities.
- Rubella retinopathy is a key manifestation of CRS, impacting visual development in affected children.
- Accurate assessment of retinal changes in CRS is crucial for understanding disease progression and potential interventions.
Purpose of the Study:
- To qualitatively and quantitatively analyze rubella retinopathy in children with CRS.
- To evaluate the utility of handheld spectral-domain optical coherence tomography (SD-OCT) in assessing these changes.
- To compare retinal and choroidal thickness in children with CRS and healthy controls.
Main Methods:
- A prospective, comparative observational study involving children diagnosed with CRS and age-matched healthy controls.
- Retinal imaging was performed using RetCam fundus photography and handheld SD-OCT.
- SD-OCT images were segmented to compute retinal and choroidal thickness parameters.
Main Results:
- Children with rubella retinopathy exhibited a characteristic salt-and-pepper fundus appearance.
- Significant differences in foveal morphology and retinal layer integrity were observed on SD-OCT.
- Eyes with rubella retinopathy showed reduced central foveal thickness, outer retinal thickness, and choroidal thickness compared to controls.
Conclusions:
- Handheld SD-OCT reveals distinct qualitative and quantitative differences in rubella retinopathy.
- These findings highlight the structural impact of CRS on the pediatric retina.
- SD-OCT is a valuable tool for evaluating rubella retinopathy in children with CRS.
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