Abstract
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Highlights
We describe a 65-year-old woman with a retinal vein exiting via the pit of the optic nerve (PON)
To the best of our knowledge, this is the first report of a retinal vein exiting the eye via an optic pit
There is no clear evidence of an anastomosis between the pial or posterior ciliary vessels of the optic nerve with the retinal vein
Summary
We describe a 65-year-old woman with a retinal vein exiting via the pit of the optic nerve (PON). A temporal congenital pit of the optic nerve (CPON) was detected in the right eye of a 65-yearold woman on routine examination. A retinal vein was noted to exit directly through the optic pit. The left optic nerve was normal [Figure 1b]. Horizontal and vertical sections of the spectral domain optical coherence tomography (SD-OCT) scans of the right eye showed cavitation in the disc stroma [Figures 2a and 2b]. Horizontal sections of the SD-OCT scans showed the relationship of the PON with the retinochoroidal vein [Figure 3]. OCT angiography demonstrated cavitation in the disc stroma and a retinochoroidal vein that emerged through the PON at the level of the superficial capillary plexus in the right eye [Figure 4].
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