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)
2
Q
vertical diplopia - nerve palsy?
A
trochlear (4th CN) which supplies superior oblique (responsible for downward gaze)
3
Q
horizontal diplopia - nerve palsy?
A
abducens (6th CN) palsy which supplies lateral rectus
4
Q
black bone spicule-shaped pigmentation in the peripheral retina and mottling of retinal pigment epithelium
A
retinitis pigmentosa
5
Q
tunnel vision and night blindness
A
retinitis pigmentosa
6
Q
eye pain + colour vision loss
A
optic neuritis