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PHYSIOLOGICAL OPTICS (RNH) > 3 PRIMER (LESIONS ON THE VISUAL PATHWAY, SCOTOMA) > Flashcards

3 PRIMER (LESIONS ON THE VISUAL PATHWAY, SCOTOMA) Flashcards

1
Q

complete inability of the eye to see

A

BLINDNESS

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2
Q

one eye is completely blind

A

UNIOCULAR BLINDNESS

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3
Q

half blindness

A

HEMIANOPSIA/HEMIANOPIA

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4
Q

Loss of vision on either temporal side (peripheral blindness) nasal or (central blindness)

A

HETERONYMOUS HEMIANOPSIA

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5
Q

HETERONYMOUS HEMIANOPSIA
temporal side

  • peripheral blindness
  • central blindness
A

peripheral blindness

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6
Q

HETERONYMOUS HEMIANOPSIA
nasal side

  • peripheral blindness
  • central blindness
A

central blindness

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7
Q

Loss of either right or left hemifield

  • HOMONYMOUS HEMIANOPSIA
  • HETERONYMOUS HEMIANOPSIA
A

HOMONYMOUS HEMIANOPSIA

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8
Q

Both eyes are blind to either right or left side

  • HOMONYMOUS HEMIANOPSIA
  • HETERONYMOUS HEMIANOPSIA
A

HOMONYMOUS HEMIANOPSIA

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9
Q

Loss of vision on either temporal side (peripheral blindness) nasal or (central blindness)

  • HOMONYMOUS HEMIANOPSIA
  • HETERONYMOUS HEMIANOPSIA
A

HETERONYMOUS HEMIANOPSIA

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10
Q

Hemianopsia on both eyes are completely symmetrical in extent and

  • CONGROUS HEMIANOPSIA
  • INCONGROUS HEMIANOPSIA
A

CONGROUS HEMIANOPSIA

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11
Q

Same size, shape and position

  • CONGROUS HEMIANOPSIA
  • INCONGROUS HEMIANOPSIA
A

CONGROUS HEMIANOPSIA

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12
Q

Damage/lesion is closer to the brain

  • CONGROUS HEMIANOPSIA
  • INCONGROUS HEMIANOPSIA
A

CONGROUS HEMIANOPSIA

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13
Q

Visual field defects are dissimilar in both eyes.

  • CONGROUS HEMIANOPSIA
  • INCONGROUS HEMIANOPSIA
A

INCONGROUS HEMIANOPSIA

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14
Q

Damage/lesion is farther to the brain

  • CONGROUS HEMIANOPSIA
  • INCONGROUS HEMIANOPSIA
A

INCONGROUS HEMIANOPSIA

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15
Q

Lesion in optic nerve

  • total blindness of the affected eye
  • heteronymouss hemianopsia
  • incongrous homonymous hemianopsia
A

total blindness of the affected eye

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16
Q

Lesion in optic chiasma

  • total blindness of the affected eye
  • heteronymouss hemianopsia
  • incongrous homonymous hemianopsia
A

heteronymouss hemianopsia

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17
Q

Lesion in optic tract

  • total blindness of the affected eye
  • heteronymouss hemianopsia
  • incongrous homonymous hemianopsia
A

incongrous homonymous hemianopsia

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18
Q

damage on the optic tract

  • congrous
  • incongrous
A

incongrous

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19
Q

Lesion in lateral geniculate body

  • congrous homonymous hemianopsia
  • incongrous homonymous hemianopsia
  • homonymous scotoma
A

congrous homonymous hemianopsia

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20
Q

Lesion in optic radiation

  • congrous homonymous hemianopsia
  • incongrous homonymous hemianopsia
  • homonymous scotoma
A

congrous homonymous hemianopsia

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21
Q

Lesion in area striata/area 17

  • congrous homonymous hemianopsia
  • incongrous homonymous hemianopsia
  • homonymous scotoma
A

homonymous scotoma

22
Q

Lesion in RIGHT OPTIC NERVE

  • blindness of the right eye
  • blindness of the left eye
A

blindness of the right eye

23
Q

Lesion in LEFT OPTIC NERVE

  • blindness of the right eye
  • blindness of the left eye
A

blindness of the left eye

24
Q

Lesion in CROSSED OPTIC CHIASMA

  • bi-temporal heteronymous
  • bi-nasal heteronymous
  • nasal hemianopsia
A

bi-temporal heteronymous

25
Q

Lesion in UNCROSSED OPTIC CHIASMA

  • bi-temporal heteronymous
  • bi-nasal heteronymous
  • nasal hemianopsia
A

bi-nasal heteronymous

26
Q

Lesion in ONE SIDE OF CHIASMA

  • bi-temporal heteronymous
  • bi-nasal heteronymous
  • nasal hemianopsia
A

nasal hemianopsia

27
Q

Lesion in RIGHT OPTIC TRACT

  • left incongrous homonymous
  • right incongrous homonymous
A

left incongrous homonymous

28
Q

Lesion in LEFT OPTIC TRACT

  • left incongrous homonymous
  • right incongrous homonymous
A

right incongrous homonymous

29
Q

Lesion in RIGHT LGB

  • left homonymous hemianopsia (complete)
  • right homonymous hemianopsia (complete)
A

left homonymous hemianopsia (complete)

30
Q

Lesion in LEFT LGB

  • left homonymous hemianopsia (complete)
  • right homonymous hemianopsia (complete)
A

right homonymous hemianopsia (complete)

31
Q

Lesion in RIGHT OR

  • left homonymous hemianopsia (complete)
  • right homonymous hemianopsia (complete)
A

left homonymous hemianopsia (complete)

32
Q

Lesion in LEFT OR

  • left homonymous hemianopsia (complete)
  • right homonymous hemianopsia (complete)
A

right homonymous hemianopsia (complete)

33
Q

if the optic radiation is not completely affected:

Lesion in RIGHT TEMPORAL OR

  • right nasal hemianopsia
  • left temporal hemianopsia
  • left nasal hemianopsia
  • right temporal hemianopsia
A

right nasal hemianopsia

34
Q

if the optic radiation is not completely affected:

Lesion in RIGHT NASAL OR

  • right nasal hemianopsia
  • left temporal hemianopsia
  • left nasal hemianopsia
  • right temporal hemianopsia
A

left temporal hemianopsia

35
Q

if the optic radiation is not completely affected:

Lesion in LEFT TEMPORAL OR

  • right nasal hemianopsia
  • left temporal hemianopsia
  • left nasal hemianopsia
  • right temporal hemianopsia
A

left nasal hemianopsia

36
Q

if the optic radiation is not completely affected:

Lesion in LEFT NASAL OR

  • right nasal hemianopsia
  • left temporal hemianopsia
  • left nasal hemianopsia
  • right temporal hemianopsia
A

right temporal hemianopsia

37
Q

lesion located on retina and optic nerve

  • monocular defect
  • binocular defect
A

monocular defect

38
Q

lesion located on optic chiasma up to area #17

  • monocular defect
  • binocular defect
A

binocular defect

39
Q

Perception of light is entirely lost

  • ABSOLUTE SCOTOMA
  • RELATIVE SCOTOMA
A

ABSOLUTE SCOTOMA

40
Q

Perception of light is only diminished

  • ABSOLUTE SCOTOMA
  • RELATIVE SCOTOMA
A

RELATIVE SCOTOMA

41
Q

Appears as black spot in the visual field

  • NEGATIVE SCOTOMA
  • POSITIVE SCOTOMA
A

NEGATIVE SCOTOMA

42
Q

Patient is not aware; detected only by examination

  • NEGATIVE SCOTOMA
  • POSITIVE SCOTOMA
A

NEGATIVE SCOTOMA

43
Q

Dark spot in the visual field

  • NEGATIVE SCOTOMA
  • POSITIVE SCOTOMA
A

POSITIVE SCOTOMA

44
Q

Involves the point of fixation

  • CENTRAL SCOTOMA
  • PERIPHERAL SCOTOMA
A

CENTRAL SCOTOMA

45
Q

involves peripheral areas

  • CENTRAL SCOTOMA
  • PERIPHERAL SCOTOMA
A

PERIPHERAL SCOTOMA

46
Q

Usual on persons with migraine

  • SCINTILLATING SCOTOMA
  • ARCUATE SCOTOMA
A

SCINTILLATING SCOTOMA

47
Q

Extension of blindspot

  • SCINTILLATING SCOTOMA
  • ARCUATE SCOTOMA
A

ARCUATE SCOTOMA

48
Q

Arch-like

  • SCINTILLATING SCOTOMA
  • ARCUATE SCOTOMA
A

ARCUATE SCOTOMA

49
Q

Early stages of glaucoma

  • SCINTILLATING SCOTOMA
  • ARCUATE SCOTOMA
A

ARCUATE SCOTOMA

50
Q

BLINDSPOT is example of

  • absolute and negative scotoma
  • absolute and positive scotoma
  • relative and negative scotoma
  • relative and positive scotoma
A

absolute and negative scotoma

PHYSIOLOGICAL OPTICS (RNH) (16 decks)

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