Atlas of Ophthalmology

Optic Pit with Focal Retinal Nerve Layer Thinning at 8h (Mosaic, Colour Photography Posterior Pole, VF, OCT Triton)

Optic Pit with Focal Retinal Nerve Layer Thinning at 8h (Mosaic, Colour Photography Posterior Pole, VF, OCT Triton)
Mosaic: Colour Photography Posterior Pole: myopic configuration, herniation of retinal tissue with focal rim excavation at 7h. Visual field: visual field defect temporal superior. OCT Triton, retinal nerve layer: focal thinning from 6-9h Patient: 34 years of age, female, BCVA 1.0 at OD , 1.0 at OS, IOP 17/15 mmHg. General Medical History: empty. Ocular Medical History: unclear visual field defect at OD. Main Complaint: vision decline at OD. Purpose: to present pseudo-glaucomatous visual field defect in pit of optic nerve head. Methods: colour photography posterior pole, OCT Triton, visual field. Findings: Colour Photography Posterior Pole: myopic configuration, herniation of retinal tissue with focal rim excavation at 7h. Visual field: visual field defect temporal superior. OCT Triton, macula: regular macula, deep rim excavation at 8h. OCT Triton, retinal nerve layer: focal thinning from 6-9h Discussion: In general pits of the optic nerve head (OPD) are oval cavities or depressions in the optic disc. Itis a herniation of dysplastic retinal tissue into a collagen rich excavation extending into the subarachnoid space through a defect in the lamina cribrosa. Pits of the optic nerve can appear as a localized pit-like invagination in the optic disc. They can be congenital or acquired. ODPs can remain clinically asymptomatic in many cases. In about 50% patients with ODPs develop optic disc pit related maculopathy with retinoschisis, atrophy of inner retinal layers, serous macular detachment and significant loss of vision. 1-2 Literature: 1. Wiethe T. Ein Fall von angeborener Deformität der Sehnervenpapille. Arch Augenheilkd. 1882;11:14–19. 2. Georgalas I, Ladas I, Georgopoulos G, Petrou P. Optic disc pit: a review. Graefe's Arch Clin Exp Ophthalmol Albrecht Graefes Archiv Klin Exp Ophthalmol. 2011;249:1113–1122.
Michelson, Georg, Prof. Dr. med., Interdisciplinary Center of Ophthalmic Preventice Medicine and Imaging, University Erlangen, Germany, Erlangen, Germany
Q14.2
Nervio Óptico -> Anomalías Congénitas -> Pit of Optic Nerve Head with Focal Loss of Retinal Nerve Layer (Colour Photography Posterior Pole, OCT Triton, Visual Field)
optic pit
10664
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