| Visual
Field Deficits |
| Cut at level F |
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| Left eye |
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| visual
field |
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| Right eye |
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| visual
field |
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| A
lesion of the parietal portion of the right optic radiation |
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| causes
a loss of vision in the lower quadrant of the left |
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| hemifield.
The same is true for lesions to the |
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| upper bank
of the calcarine sulcus. |
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