Ophthalmology - basic steps of examination Flashcards
What are some signs of abnormal ocular conformation?
Sclera showing
Discharge
Colour change
3rd eyelid protruding
Cloudy
What produces the aqueous humour?
Ciliary body
What makes up the neural tunic?
Retina
What makes up the vascular tunic?
Choroid plexus
What makes up the fibrous tunic?
Sclera
Where can you find lists of breeds that are affected by inherited eye diseases?
BVA/KC eye scheme
What is the separation between the upper and lower eyelids called?
Palpebral fissure
Where is the anterior chamber located?
Between the cornea and the lens
Where is the posterior chamber located?
Between the iris and the ciliary body
What suspend the lens?
Zonules/suspensory ligaments
Ciliary bodies
What is parallax and what is it used for?
When the thing that is furthest away will move in the same direction as you
The thing that is closer will move further out the way - move more
Tell whereabouts structures are located in the eye
What is the name of the test which tests for tear production?
Schirmer tear test
What is the normal schirmer tear test for dogs?
15-25mm in 1 min
What are some tests used in a neurophthalmic exam?
Menace response
Visual tracking
Visual placing
Maze test - moving in a new environment
What are some neurophthalmic reflexes?
Palpebral reflex
Corneal reflex
Pupillary light reflex
Dazzle reflex
Oculo-cephalic reflex - globe movement with skull