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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
Lesion in UNCROSSED OPTIC CHIASMA * bi-temporal heteronymous * bi-nasal heteronymous * nasal hemianopsia
bi-nasal heteronymous
26
Lesion in ONE SIDE OF CHIASMA * bi-temporal heteronymous * bi-nasal heteronymous * nasal hemianopsia
nasal hemianopsia
27
Lesion in RIGHT OPTIC TRACT * left incongrous homonymous * right incongrous homonymous
left incongrous homonymous
28
Lesion in LEFT OPTIC TRACT * left incongrous homonymous * right incongrous homonymous
right incongrous homonymous
29
Lesion in RIGHT LGB * left homonymous hemianopsia (complete) * right homonymous hemianopsia (complete)
left homonymous hemianopsia (complete)
30
Lesion in LEFT LGB * left homonymous hemianopsia (complete) * right homonymous hemianopsia (complete)
right homonymous hemianopsia (complete)
31
Lesion in RIGHT OR * left homonymous hemianopsia (complete) * right homonymous hemianopsia (complete)
left homonymous hemianopsia (complete)
32
Lesion in LEFT OR * left homonymous hemianopsia (complete) * right homonymous hemianopsia (complete)
right homonymous hemianopsia (complete)
33
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
right nasal hemianopsia
34
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
left temporal hemianopsia
35
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
left nasal hemianopsia
36
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
right temporal hemianopsia
37
lesion located on retina and optic nerve * monocular defect * binocular defect
monocular defect
38
lesion located on optic chiasma up to area #17 * monocular defect * binocular defect
binocular defect
39
Perception of light is entirely lost * ABSOLUTE SCOTOMA * RELATIVE SCOTOMA
ABSOLUTE SCOTOMA
40
Perception of light is only diminished * ABSOLUTE SCOTOMA * RELATIVE SCOTOMA
RELATIVE SCOTOMA
41
Appears as black spot in the visual field * NEGATIVE SCOTOMA * POSITIVE SCOTOMA
NEGATIVE SCOTOMA
42
Patient is not aware; detected only by examination * NEGATIVE SCOTOMA * POSITIVE SCOTOMA
NEGATIVE SCOTOMA
43
Dark spot in the visual field * NEGATIVE SCOTOMA * POSITIVE SCOTOMA
POSITIVE SCOTOMA
44
Involves the point of fixation * CENTRAL SCOTOMA * PERIPHERAL SCOTOMA
CENTRAL SCOTOMA
45
involves peripheral areas * CENTRAL SCOTOMA * PERIPHERAL SCOTOMA
PERIPHERAL SCOTOMA
46
Usual on persons with migraine * SCINTILLATING SCOTOMA * ARCUATE SCOTOMA
SCINTILLATING SCOTOMA
47
Extension of blindspot * SCINTILLATING SCOTOMA * ARCUATE SCOTOMA
ARCUATE SCOTOMA
48
Arch-like * SCINTILLATING SCOTOMA * ARCUATE SCOTOMA
ARCUATE SCOTOMA
49
Early stages of glaucoma * SCINTILLATING SCOTOMA * ARCUATE SCOTOMA
ARCUATE SCOTOMA
50
BLINDSPOT is example of * absolute and negative scotoma * absolute and positive scotoma * relative and negative scotoma * relative and positive scotoma
absolute and negative scotoma

PHYSIOLOGICAL OPTICS (RNH) (16 decks)

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