Unit 7 - 1 Anatomy

Front 1

Back 1

autonomic innervation

Front 2

Damage to left Brodman's area 8 produces what symptoms

Back 2

Pt can't look CL to left (to the right); eyes tend to deviate to the left (look at the lesion)

i.e. left hemisphere innerviates left medial rectus and right lateral rectus, preventing the eyes from looking right

Front 3

MLF Syndrome/Internuclear Opthalmoplegia

Back 3

Pt has on lateral conjugate gaze (can't look medially when trying to look one way or the other) - but pt can still converge eyes since this does not utilize MLF

Front 4

Parinaud Syndrome

Back 4

Pupillary constriction and paralysis of vertical gaze following lesions close to the superior colliculus;

note difference between MLF syndrome bc MLF is not involved so lateral conjugate gaze is still intact

Front 5

Back 5

Holmes-Adie pupil

Front 6

How can corneal irritation be produced by hyperthyroidism?

Back 6

Lack of moisture secondary to increased sympathetic activity produced by hyperthyroidism (designed fluid production by lacrimals)

Front 7

By which vein can bacteria enter the cavernous sinuses?

Back 7

superior opthalmic vein

Front 8

Nerves in the cavernous sinus (superior to inferior within lateral wall)

Back 8

Front 9

What is the only nerve WITHIN the cavernous sinus (not in the lateral wall)

Back 9

abducent nerve (VI); along w sympathetic plexus and the internal carotid artery

Front 10

Which part of the brain in MS would produce a central scotoma

Back 10

Retrobulbar neuritis

Front 11

Glaucoma

Back 11

Note the swelling of the
eyeball and protrusion of the cornea.
Note the cloudy color of the eye.

Glaucoma is a disease involving
destruction of the retinal ganglion
cells, often due to increased intra-
ocular pressure.

Untreated glaucoma leads to optic
neuropathy and loss of vision.

Front 12

Principal mechanism of aqueous humor production and secretion

Back 12

active secretion via ciliary endothelium

Front 13

Aqueous humor drainage

Back 13

80-90% through trabecular meshwork (conventional)
10-20% through viliary body face (uveoscleral or alternative pathway)

Front 14

trabecular meshwork

Back 14

thought to be region when regulation of aqueous humor outflow takes place

Front 15

what part of the aqeous humor flow regulates production

Back 15

trabecular meshwork

Front 16

What secretes aqeous humor

Back 16

ciliaryepithelium

Front 17

where is the blockage in open angle glaucoma?

Back 17

canal of schlemm obstruction; often painless bc of slow onset + considerable vision loss before diagnosis

Front 18

where is blockage in closed-angle glaucoma?

Back 18

inflammatory process of the uvea (uveitis) blocks fluid acess to the meshwork drain

Front 19

musca volans

Back 19

(latin "flying fly") also called floater; condensations of vitreous humor