Anatomy: Eye

Question 1

Flow of tears:

Answer 1

Lacrimal gland to orbital part to palpebral part to medial canthus

Question 2

Lacrimal gland controlled by

Answer 2

CN VII

Question 3

where are the Meibomian glands embedded within?

Answer 3

The tarsal plate and palpebral conjunctiva

Question 4

Internal sty affects the

Answer 4

Meibomian gland

Question 5

Internal sty affects the

Answer 5

eyelash follicle or seat glands (Moll)

Question 6

Silver Nitrate eyedrops in NSVD babies to prevent

Answer 6

STI in eyes

Question 7

Levator Palpebrae Superioris innervated by

Answer 7

CN III

Question 8

Superior tarsal muscle is smooth or skeletal muscle?

Answer 8

smooth

Question 9

Orbicularis Oculi closes the eyelid and is innervated by

Answer 9

CN VII

Question 10

orbital Blow-out causes breakthrough into what sinus?

Answer 10

Maxillary, result of a punch

The rectus muscle gets caught in the fracture crack

Question 11

Exophthalmos associated with antibodies to thryotrpin founds on

Answer 11

extraocular muscles dd

Question 12

strabismus

Answer 12

2-3% general population

Question 13

lesions of CNIII

Answer 13

lateral strabismus

Dilated pupil

Lid Droop

Raised Eyebrow

Wrinkled Forehead

Question 14

CN IV lesion

Answer 14

slight head tilt toward unaffected side (least common)

Question 15

Abducens Nerve palsy is common in?

Answer 15

Diabetics or increased Intracranial pressure

Lateral rectus affected

Question 16

What kind of htn assoc with Venous nicking?

Answer 16

benign

Question 17

What kind of htn assoc with cotton-wood spots?

Answer 17

malignant htn

Question 18

Why does blockage of the central retinal artery cause blindness?

Answer 18

Because there are no anastomotic connections

Question 19

Ptosis is associated with Horners syndrome because?

Answer 19

enophthalmos, ptosis, miosis, and anhidrosis

involving sympathetic chain ganglia