Case Study Slides damage to the visual pathway

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Presentation transcript:

Case Study Slides damage to the visual pathway

L R Binocular (Left/Right overlap) normal normal vision

L R Binocular (Left/Right overlap) R patch “I can’t see anything out of my R eye. With this patch on, it is just like I’m blind in my R eye” x x

“I really am blind in my right eye.” Binocular (Left/Right overlap) R optic nerve cut “I really am blind in my right eye.” x x

L R Binocular (Left/Right overlap) R optic tract cut “… I can’t see anything on the left side of the room…I have a left homonymous hemianopsia, doctor.” x x

R occipital lobe damage (or stroke) Binocular (Left/Right overlap) R occipital lobe damage (or stroke) “… I can’t see anything on the left side of the room…I have a left homonymous hemianopsia, doctor.” x x

A pituitary tumor damages the crossing fibers at the optic chiasm. L R Binocular (Left/Right overlap) A pituitary tumor damages the crossing fibers at the optic chiasm. “I’ve lost my peripheral vision.”, or “I have tunnel vision.” x x