Characterization of the optic nerve head pit by optical coherence tomography
Aim: To show the characteristics of optic nerve head pit by optical coherence tomography.
Patients and methods: Three eyes of 3 patients with optic nerve head pit were scanned by optical coherence tomography. Fundus fluorescein angiography examination was also performed. The visual acuities were 20/25, 20/25, and 20/15.
Results: Optical coherence tomography showed defects of the optic nerve fiber at the pit area in all 3 eyes. No neurosensory epithelium detachment was found. The first female patient had a window defect in both eyes. One eye of the second female patient had epiretinal membrane and macular edema. Visual field test showed a paracentral scotoma in the first female patient and peripheral constric- tion in the second female patient. Fundus fluorescein angiography showed late hyperfluorescence at the pit.
Conclusion: Optical coherence tomography may be helpful in the management of optic nerve head pit in searching for neurosensory epithelium detachment and macular edema.
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