Vascularization and innervation

Question 1

What are the sensoric innervations of the orbital area?

Answer 1

1. Superiorly, the supratrochlear, supraoptical, infratrochlear, lacrimal, and dorsal nasal nerve.
2. Inferiorly, the infraorbital nerve.

Question 2

What are the motoric innervations of the orbital area?

Answer 2

CNVII - orbicularis oris
CNIII - levator palpabrae superioris
sympathetic trunk - superior tarsus

Question 3

Explain briefly about Horner’s syndrome!

Answer 3

A lesion on the S.T. which causes ptosis from superior tarsus paralysis, ipsilateral sweat loss, pupillary constriction due to loss of pupillary dilator muscles (sympathetic).

Question 4

What are some secondary effects of Horner’s syndrome?

Answer 4

1. Vasodilation due to lack of constrictors
2. Enophtalmos yang mendisplasikan bola mata ke arah posterior.