Eye Diseases Flashcards
(24 cards)
What is the clear part of the eye where ulcers form?
Cornea
What is the white part of the eye called?
Sclera
What part of the eye is the colored portion?
Iris
What is the fluid in the front part of the eye called?
Aqueous humor
What is the fluid in the back chamber of the eye called?
Vitreous Humor
What is the most common cause of Infectious Bovine Keratoconjunctivitis (Pinkeye)?
Moraxella bovis
Which animal species is at higher risk for Pinkeye?
Bos taurus
What is the economic loss estimated for Pinkeye in the US?
$226 million annually
What are common signs of Pinkeye in cattle?
- Tearing
- Squinting
- Corneal opacity
- Corneal ulcers
- Reddened sclera
How is Pinkeye primarily spread?
Face Fly (Musca autumnalis)
What is the treatment commonly used for Pinkeye?
Antimicrobials such as Oxytetracycline SC
Fill in the blank: Pinkeye vaccines have shown __________ effectiveness.
variable
What is a cancer of epithelial origin that can form around the eyes?
Squamous Cell Carcinoma
What breed is at a higher risk for Cancer Eye?
- Hereford
- Holsteins
What is the causative agent of Bovine Lymphoma?
Bovine Lymphoma Virus (BLV)
What percentage of dairy animals are infected with Bovine Lymphoma Virus?
44%
What are some potential eye issues caused by Bovine Viral Diarrhea Virus?
- Bilateral micropthalmia
- Bilateral cataracts
- Retinal dysplasia
What is a common sign of Bovine Herpes Virus 1 in cattle?
Mucopurulent discharge from eyes
What is the condition where the eyelids roll in, causing irritation?
Entropion
What is an ocular dermoid?
Patch of hair growing on the surface of the eye
What is the treatment for ocular dermoid?
Surgical removal
True or False: Pinkeye can affect mature animals.
True
What are some preventive measures for Pinkeye?
- Controlling fly vectors
- Dust control
- Removing fly breeding areas
What is a common method for protecting the eye during treatment?
Eye patches
