Eye anatomy Flashcards
What is the orbital septum?
Layer of fascia from the orbital rim to the levator aponeurosis of the upper eyelid, and tarsal plate of lower eyelid
What is the function of the orbital septum immunologically?
Limit spread of bacteria
What is the main arterial supply to the eye, and what is it a branch of?
Ophthalmic artery
Internal carotid
The central retinal artery is a branch of what artery?
Ophthalmic artery
Where do the ophthalmic veins drain into?
Cavernous sinus
What is the outermost layer of the eye called?
Bulbar conjunctiva
What is the surface of the posterior side of the eyelids?
Palpebral conjunctiva
What is the fascial layer that is just deep to the conjunctiva? What does this layer contain?
Episclera
Blood vessels to the sclera
What is the sclera
Collagenous protective coating of the eye
Where is the sclera the weakest, and thus most prone to rupture?
At the insertion of the rectus muscles
What is the cornea?
Anterior surface of the eyeball that is attached to the sclera at the limbus
Name the layers that you would travel through going into the pupil? (2)
Conjunctiva
Cornea
What are the components of the uveal tract? (3)
Iris
Ciliary body
Choroid
What is the choroid?
the vascular pigmented layer of the eye between the sclera and retina
What type of humour is in the anterior and posterior chamber respectively?
Anterior - aqueous
Posterior - vitreous
