Page 337 - Color Atlas Of Pathophysiology (S Silbernagl Et Al, Thieme 2000)

A. Visual Field Defects
Left Right
1 1

2 Oculo- 2
1 motor nerve
Ciliary ganglion
3 2 Optic nerve 3
3
Lesions
Optic chiasma
4 4
4 Optic tract Visual Pathway

5 Lateral 5
geniculate
corpus
6 Optic 6
6 radiation
5 Plate 10.15
7 Primary 7
7 visual cortex
B. Pupillary Reactions

In the dark 3a 4a
Blind Healthy Denervated Healthy
1 3b 4b
Consensual Consensual
Amaurotic Efferent
fixed pupil right fixed pupil right
2
Direct Consensual 5 7a
reaction reaction
Illuminated Loss of sympathetic stimulation Proximity
Normal
6 7b
Distance
Activation of sympathetic nerves Lesion of pretectal area
C. Abnormalities of Visual Processing
Occipitotemporal
Lesions of visual association fields Object agnosia, prosop-
Loss of primary association fields agnosia, achromatopsia
visual cortex
Dysmorphopsia, metamorphopsia
micropsia, macropsia
Occipitoparietal
Cortical blindness association fields Hemineglect, akinetopsia 327

Silbernagl/Lang, Color Atlas of Pathophysiology © 2000 Thieme
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