Orbit

Question 1

part of the adnexa, the conical boney structure that contains the eyeball and periorbital cone

Answer 1

Boney orbit

Question 2

Supportive cone like structure that contains the eyeball, extraocular muscles, fat, vessels, nerves and facia reside within the orbit.

Answer 2

Periobital cone

Question 3

Ligamentous structure that forms the lateral boundary of the boney orbit in cats and dogs.

Answer 3

Orbital ligament

Question 4

abnormal protrusion of the eye from the orbit. (position abnormal, globe size is normal)

Answer 4

Exopthalmos

Question 5

abnormal recession of the eye within the orbit

Answer 5

Enophthalmos

Question 6

Deviation of one or both eyes, so that both eyes are not directed at the same object

Answer 6

Strabismus

Question 7

Sympathetic denervation to the eye and ocular adnexa. (CS = enopthalmos, ptosis, miosis, protrusion of the third eyelid)

Answer 7

Horner’s Syndrome

Question 8

congenitally small and malformed globe

Answer 8

Microphthalmos

Question 9

anterior displacement of the globe such that the eyelids are caught behind the equator of the globe

Answer 9

Proptosis

Question 10

What nerves travel through the orbital fissure?

Answer 10

CN III, IV, V (ophthalmic branch of trigeminal), VI

Question 11

Removal of the eye.

Answer 11

Enucleation

Question 12

removal of the eye and all orbital contents

Answer 12

Exenteration