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Gowdar JP, Rajesh B, Giridhar A, Gopalakrishnan M, Hussain R, Thachil T. An Insight Into the Pathogenesis of Optic Disc Pit–Associated Maculopathy With Enhanced Depth Imaging. JAMA Ophthalmol. 2015;133(4):466–469. doi:10.1001/jamaophthalmol.2014.6093
Optic disc pit with associated maculopathy is a known entity. However, controversy exists regarding the source of subretinal fluid in these cases. In our series, we attempted to analyze the morphologic changes seen in the optic disc pit and evaluate the source of subretinal fluid.
In this prospective observational case series of 4 patients with optic pit maculopathy, a complete ophthalmic evaluation, with fundus color photography and enhanced depth imaging spectral-domain optical coherence tomography scanning of the optic disc, was carried out between January 2013 and November 2013. The optical coherence tomographic section was mapped with infrared image and color photography, and the characteristics of the retina and optic nerve head were analyzed. All the cases had outer layer retinal schisis; 2 of them had associated serous macular detachment while inner retinal schisis was present in 3 cases. A hyporeflective tract was observed in our study connecting the retinal schisis cavity and gap in the lamina cribrosa corresponding to the optic pit.
Conclusions and Relevance
In our study, we demonstrated the connectivity between retinal schisis and the gap in the lamina cribrosa present in the optic disc pit, supporting the hypothesis of cerebrospinal fluid as the source of subretinal fluid.
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