E.T SELVAM AWARD (Joint Award)
Dr.Niranjan PehereAim: To investigate utility of retinal nerve fiber thickness on optical coherence tomography (OCT) in diagnosis of cerebral visual impairment (CVI)
Methods: 20 children with CVI who could cooperate for automated perimetry (HVF), OCT (RNFL thickness), cognitive vision assessment and MRI brain, seen over 2 years were studied. HVF, OCT, MRI and cognitive visual functions were correlated.
Results: The most common cause of CVI was perinatal asphyxia. The most common field defect seen was inferior field loss. Bilateral parieto-occipital damage was the most common finding on MRI brain. RNFL thinning was seen morsel superiorly and temporally, being more pronounced in those with more extensive damage on MRI. All these patients has significant issues with lower visual field and dorsal stream dysfunction as per the cognitive visual assessment.
Conclusion: RNFL thickness on OCT can be a quick marker of neuropathology and cognitive visual functions in CVI for a busy pediatric ophthalmologist
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