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CASE REPORT
Year : 2012  |  Volume : 2  |  Issue : 1  |  Page : 31-34

Optic disc pit combining with an optic nerve cyst — A case report


1 Department of Ophthalmology, Taipei Medical University Hospital, Taipei, Taiwan
2 Department of Ophthalmology, Taipei Medical University Hospital; Department of Ophthalmology, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan
3 Department of Ophthalmology, Taipei Medical University Hospital; Department of Ophthalmology, School of Medicine, College of Medicine, Taipei Medical University; Department of Ophthalmology, National University Hospital and College of Medicine, Taipei, Taiwan

Correspondence Address:
Tsung-Jen Wang
Department of Ophthalmology, Taipei Medical University Hospital, Taipei 110
Taiwan
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Source of Support: None, Conflict of Interest: None


DOI: 10.1016/j.tjo.2011.11.002

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Herein, we report a case presenting with the optic disc pit and optic nerve cyst coexistence. A 54-year-old female presented to our office with progressive blurred vision for up to 3 months in her left eye. Upon examination, the best corrected visual acuity in the right eye was 20/20 and in the left eye was 20/ 100. Fundoscopic examination revealed a black pit at the temporal margin of left optic disc without obvious macular edema. Findings were confirmed later with optical coherence tomography (OCT) examination. Further magnetic resonance imaging (MRI) disclosed a well defined 6 mm × 6mm cystic lesion located at temporal aspect of left retro-bulbar optic nerve within the optic nerve sheath. Compression of left optic nerve was prominent. Visual evoked potential (VEP) test verified dysfunction of left optic nerve. She kept following up for 6 months. Neither maculopathy nor retinal edema occurred during this period. The visual acuity maintained 20/100 in her left eye. The size and location of optic disc pit remained as well. To sum up, in a patient with visual impairment combing with optic disc pit, further imaging surveys should be considered to exclude the possible coexistence of other optic nerve abnormalities.


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