Ophalmo Flashcards
How to we say when the 2 pupil do not have the same size?
anisocoria
how do we say when the pupil does not have the expected shape?
dyscoria
how do we call a large or a small pupil?
large = mydriasis small = misosis
what is the name of the condition when there are some proteins in the aquaeous humor? Thereby letting the light been seen in the anterior chamber.
it is called the tyndall effect.
What is the normal variation of the intra ocular pressure during the day?
10-25mnHg
How much difference of pressure can be present between both eyes?
20% not more
how much magnification do we have during a ophtalmoscopy?
19.5x
what is the name of the most outer surface of the eye surrounding the entire eyeball
the sclera
what is a jones test?
it is when you put fluid on the eye, wait a few minutes and check if it goes out from the nose to verify if the naso-lacrimal duct works well
what is the name of the test to monitor for aquaeous humour leak?
seidel test
what are meibomian gland?
sebaceous glands that provide an oily secretion to stabilize the tear film over the cornea
what is the other name of the third eyelid?
nictitating membrane because it contains the nictitant glands which produce 30% of the tear film production.
what is epiphora?
an overflow of tears into the eyes
what is the name of the condition in which a normal hair goes in the eye?
trichiasis
what is the name of the condition in which a intradermal hair goes in the eye?
distichiasis
what is the name of the condition where the 3rd eyelid gets stuck to the conjunctiva and does not detach?
Symblepharon
which breed is know to have retinal dysplasia?
CKC
which breed do melting uclers touche the most?
brachys
what is a synechia?
when the iris adheres to either the lens or the cornea
what is CCED in corneal ulcers?
chronic corneal epithelial defects
what is the deepest form of corneal ulcers?
descemetocoel
in bovine squamous cell carcinoma which structure is usually attained?
the 3rd eyelid.
what is the difference between IBR and malignant catarrhal fever in cattle?
malignant catarrhal fever does not get better with time.
what is the infectious agents of silage eye in cattle ?
Listeria monocytogenes
