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C. Kato, T. Mori, S. Kubo; Abnormal OCT findings in optic disc pit. . Invest. Ophthalmol. Vis. Sci. 2004;45(13):2385.
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© ARVO (1962-2015); The Authors (2016-present)
Purpose: To clarify morphological abnormalities in optic disc pit using optical coherence tomography(OCT). Methods: Three eyes of 3 patients with optic disc pit and 1 eye of 1 patient with abnormal disc margin were studied by fluorescein angiography (FA) and OCT. Results: Case 1and2 showed optic disc pit with macular detachment. FA showed hyperfluorescence in the pit of the disc. OCT demonstrated the connection between the optic disc pit and intraretinal schisis in the papillomacular area of macular detachment in Case 1. The perineural space of the pit was clearly observed in Case 2 whereas was not detected in Case 1. Case 3 showed optic disc pit without macular detachment. FA showed hyperfluorescence in the optic disc pit. OCT scan showed glial tissue in the pit and the intact retina proximal to the disc. Case 4 showed normal optic disc with focal peripapillary detachment. No abnormal findings were detected in the optic disc on FA. Perineural space and optic disc pit were not detected in OCT scan. The disconnection between optic disc and edge of peripapillary retina was observed. The vitreous cavity directly connected to subretinal space, and intraretinal schisis was not seen on OCT. Conclusions: We demonstrated that optic disc pit showed various OCT imaging. Focal peripapillary detachment may be caused by chorioretinal or RPE disorders in Case 4. These peripapillary changes may lead various OCT imaging in optic disc pit.
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