PMC10203429_01
Fundus examination and visual field testing on the right in 2020 (A, B) and on the left side in 2021 (C, D). (A) Papilledema in the right temporal optic disc. (B) Horizontal visual field loss in the visual field testing on the right side. (C) Sectorial papilledema in the left optic disc. (D) Horizontal visual field loss in the visual field testing on the left side.
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Figure 1A ). Further testing revealed a visual acuity of 0.05 on the right side and a horizontal visual field loss ( Figure 1B ). Fundus examination revealed sectorial papilledema in the left optic disc ( Figure 1C ). A visual acuity of 0.4 in the left side (preliminary recording: 0.8) with horizontal visual field loss was documented ( Figure 1D ).
Coronal T2-weighted magnetic resonance imaging (MRI): Increasing cerebrospinal fluid (CSF) signal along the left optic nerve with continued minimal contrast uptake (white arrow).
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The brain MRI revealed an increasing cerebrospinal fluid (CSF) signal along the left optic nerve with continued minimal contrast uptake ( Figure 2 ).