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Checkboard Visual Field Loss Due to Bilateral Homonymous Hemianopsias | A 70-year-old man with vascular risk factors was seen for assessment of sudden visual field loss in both eyes. His examination showed: visual acuity: 20/20 OD and 20/25 OS; pupils: equal with no relative afferent pupillary defect; color vision: 14/14 plates correct OU; anterior segment exam: normal ... | Rahul A. Sharma, MD, MPH; Valérie Biousse, MD |
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Retrograde Trans-Synaptic Degeneration from a Longstanding Occipital Lobe Tumor | This is an illustrated guide that (1) discusses the localization of paracentral homonymous hemianopic scotomatous visual field defects and (2) discusses the concept of trans-synaptic retrograde degeneration. A 43-year-old woman was assessed for longstanding blurred vision in both eyes. Her examinati... | Rahul A. Sharma, MD, MPH; Valérie Biousse, MD |