3 PRIMER (LESIONS ON THE VISUAL PATHWAY, SCOTOMA) Flashcards
complete inability of the eye to see
BLINDNESS
one eye is completely blind
UNIOCULAR BLINDNESS
half blindness
HEMIANOPSIA/HEMIANOPIA
Loss of vision on either temporal side (peripheral blindness) nasal or (central blindness)
HETERONYMOUS HEMIANOPSIA
HETERONYMOUS HEMIANOPSIA
temporal side
- peripheral blindness
- central blindness
peripheral blindness
HETERONYMOUS HEMIANOPSIA
nasal side
- peripheral blindness
- central blindness
central blindness
Loss of either right or left hemifield
- HOMONYMOUS HEMIANOPSIA
- HETERONYMOUS HEMIANOPSIA
HOMONYMOUS HEMIANOPSIA
Both eyes are blind to either right or left side
- HOMONYMOUS HEMIANOPSIA
- HETERONYMOUS HEMIANOPSIA
HOMONYMOUS HEMIANOPSIA
Loss of vision on either temporal side (peripheral blindness) nasal or (central blindness)
- HOMONYMOUS HEMIANOPSIA
- HETERONYMOUS HEMIANOPSIA
HETERONYMOUS HEMIANOPSIA
Hemianopsia on both eyes are completely symmetrical in extent and
- CONGROUS HEMIANOPSIA
- INCONGROUS HEMIANOPSIA
CONGROUS HEMIANOPSIA
Same size, shape and position
- CONGROUS HEMIANOPSIA
- INCONGROUS HEMIANOPSIA
CONGROUS HEMIANOPSIA
Damage/lesion is closer to the brain
- CONGROUS HEMIANOPSIA
- INCONGROUS HEMIANOPSIA
CONGROUS HEMIANOPSIA
Visual field defects are dissimilar in both eyes.
- CONGROUS HEMIANOPSIA
- INCONGROUS HEMIANOPSIA
INCONGROUS HEMIANOPSIA
Damage/lesion is farther to the brain
- CONGROUS HEMIANOPSIA
- INCONGROUS HEMIANOPSIA
INCONGROUS HEMIANOPSIA
Lesion in optic nerve
- total blindness of the affected eye
- heteronymouss hemianopsia
- incongrous homonymous hemianopsia
total blindness of the affected eye
Lesion in optic chiasma
- total blindness of the affected eye
- heteronymouss hemianopsia
- incongrous homonymous hemianopsia
heteronymouss hemianopsia
Lesion in optic tract
- total blindness of the affected eye
- heteronymouss hemianopsia
- incongrous homonymous hemianopsia
incongrous homonymous hemianopsia
damage on the optic tract
- congrous
- incongrous
incongrous
Lesion in lateral geniculate body
- congrous homonymous hemianopsia
- incongrous homonymous hemianopsia
- homonymous scotoma
congrous homonymous hemianopsia
Lesion in optic radiation
- congrous homonymous hemianopsia
- incongrous homonymous hemianopsia
- homonymous scotoma
congrous homonymous hemianopsia