Visual Field Defects Flashcards
the temporal visual field is received by which retina
nasal retina
the nasal visual field is received by which retina
temporal retina
fibres from which retina cross at the chasm
nasal retina (containing info from temporal visual field)
total blindness in right eye is caused by lesion…
at right optic nerve
what can a patient with bitemporal hemianopia see
only the nasal part of each visual field (loss of temporal vision)
where is lesion in bitemporal hemianopia
optic chiasm
where is the lesion in a left homonymous hemianopia
right optic tract
where is the lesion in a right homoymous hemianopia
left optic tract
where is the lesion in a left inferior quadrantanopia
right parietal lobe
where is the lesion in a left superior quadrantanopia
right temporal lobe
what does the PIST pneumonic stand for
parietal inferior temporal superior
where is the lesion in a right homonymous hemianopia with macula sparing
left occipital cortex