gezichtsvelden Flashcards

1
Q

centraal gezichtveld

A

30 graden

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2
Q

perifeer gezichtsveld

A

buiten de 30 graden

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3
Q

– Lobus temporalis:

A

(Epileptische) aanvallen

• Visuele hallucinaties (landschappen, etc.)

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4
Q

Lobus parietalis

A
Hemiparese
• Problemen met visuele perceptie
• Agnosie
• Apraxie
• Links-rechts-verwarring
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5
Q

Visuele cortex

A

• Visuele hallucinaties (sterren, flitsen, etc.)

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6
Q

hemianoptie > macula is niet aangedaan

A

in lobus parietalis

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7
Q

centraal scotoom

A

centraale 10 graden

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8
Q

Paracentraal scotoom

A

naast/om de centraal, binnen de 10 graden

binnen de 10 graden, maar fovea is niet aan gedaan

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9
Q

Pericentraal scotoom

A

rondom de macula is aangedaan

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10
Q

Cecocentraal scotoom

A

verbinding tussen de macula en papil

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11
Q

Nasal step

A
denk gelijk aan glaucoom
\• Alleen in de temporale retina
(dus zichtbaar in nasale
gezichtsveld)
– Meestal op 30˚ vanaf de fovea
• Respecteert de horizontale
middenlijn
• Glaucoom!
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12
Q

Boogscotoom (arcuate scotoma)

A

van nasal step naar de papil

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13
Q

Altitudinaal defect

A
Defect in de superiore- of inferiore
helft van de retina
– Compleet / incompleet
– Macula hoeft niet aangedaan te
zijn
• “Split fixation”: één helft van de
macula is aangedaan
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