Eye Anatomy Flashcards
3 parts of the uveal tract
Iris
Ciliary body
Choroid plexus
Components of the anterior chamber
Trabecular network
Schlemm’s canal
Iris
Epithelium of cornea
Aqueous fluid
What is normal IOP
8-21 mmHg
Where does the greatest resistance to aqueous drainage occur?
Anterior chamber angle
(Trabecular network junction of the cornea and the iris)
Where is aqueous fluid produced?
Epithelium of ciliary body
Where does aqueous fluid drain? Where does it drain into after?
Schlemm’s canal
Into episcleral veins
What is the difference between aqueous fluid and vitreous fluid?
Aqueous = watery, absorbed
Vitreous = gel-like, stagnant
The retina is a direct extension of?
The nervous system
Vessels in the retina are often representative of?
Condition of other vessels in the body
Fovea centralis function
Sharp central vision
The optic nerve head is also called
The optic disc
Eye muscles attach to?
The globe
CN 3 is responsible for motor of which muscles?
Superior rectus
Medial rectus
Inferior rectus
Inferior oblique
Levator palpebral
CN 4 is responsible for motor of which muscles?
Superior oblique
CN 6 is responsible for motor of which muscles?
Lateral rectus
