Opthalmology Flashcards

1
Q

what nerves supply the extrinsic muscles of the eyes

A

superior oblique - trochlear (4th CN)
lateral rectal (abducens 6th CN)
all other muscles - occulomotor (3rd CN)

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2
Q

vertical diplopia - nerve palsy?

A

trochlear (4th CN) which supplies superior oblique (responsible for downward gaze)

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3
Q

horizontal diplopia - nerve palsy?

A

abducens (6th CN) palsy which supplies lateral rectus

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4
Q

black bone spicule-shaped pigmentation in the peripheral retina and mottling of retinal pigment epithelium

A

retinitis pigmentosa

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5
Q

tunnel vision and night blindness

A

retinitis pigmentosa

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6
Q

eye pain + colour vision loss

A

optic neuritis

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