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VET 111 Week 4

Ch 9 Ocular diseases

QuestionAnswer
What is the mucous membrane of the eye called? Conjunctivia
What are the eyelids also known as? Palpebra
What is the 3rd eyelid also called? Nictitating membrane
What are the tear ducts also called? Lacrimal glands
What does the globe consist of? Sclera, Cornea, Iris-Pupil, Lens, Anterior chamber, vitreous body
What is the white part of the eye called? Sclera
What is the colored part of the eye called? Iris
What is the reflective layer of the choroid in the eyes also known as? Tapetum lucidum
Which animal is conjunctivitis infectious in? Cats
What are the clinical signs of conjunctivitis? Chemosis, hyperemia, ocular d/c, possible concurrent URI
What are the treatments for conjuntivitis? Ophthalmic, Ophthalmic antivirals (cats)
What is epiphora? Overflow of tears
What are the causes of epiphora? Overproduction, faulty drainage of lacrimal system
What breed is more susceptible to epiphora? Brachycephalic breeds
T/F: Epiphora is a life-long problem in some breeds True
What are the clinical signs of Blepharitis/Blepharospasm? Inflammation, Swelling, Spasms of eyelids
T/F: Blepharitis/Blepharospasm are usually primary False; they are usually secondary to other disease
What is Entropion? Eyelids roll in against cornea
What is Ectropion? Eyelids roll out exposing cornea
What species is Entropion and Ectropion more common in? Dogs
What are the clinical signs of Entropion and Ectropion? Epiphora, Chemosis, Conjunctivitis, Corneal lesions (Keratitis, Ulcers)
What is the treatment for Entropion and Ectropion? Surgical correction
What is cherry eye? Hypertrophy of nictitans gland
How much lacrimal fluid is produced by the Nictitans gland? 30 to 50%
T/F: Cherry eye is idiopathic True
Which breeds are predisposed to cherry eye? Basset hounds, beagles, cocker spaniels
What are the clinical signs of cherry eye? Swollen third eyelid
What is the treatment for cherry eye? Surgical replacement
What is glaucoma? Increase in intraocular pressure
T/F: Glaucoma is always chronic False; Glaucoma can be acute or chronic
What are the clinical signs of glaucoma? Ocular pain, enlarged globe, blindness
How is glaucoma diagnosed? Measure increased ocular pressure
What are chronic cases of glaucoma known as? enucleation
T/F: Glaucoma is a progressive and life-long disease True
What is the "window" of the eye? Cornea
What are the clinical signs of Ulcerative Keratitis? Epiphora, Blepharospasm, Hyperemia of conjunctiva
How is ulcerative keratitis diagnosed? Eye exam, Fluorescein dye
What is the treatment used for ulcerative keratitis? Topical atropine and Topical antibiotics
What should never be used for treatment of Ulcerative keratitis? Steroids
T/F: Most ulcerative keratitis cases heal quickly True
What is Keratoconjunctivitis Sicca? Inflammation which decreases the production of tears
What is Keratoconjunctivitis Sicca also known as? Dry eye
T/F: Most causes of Keratoconjunctivitis Sicca are idiopathic True
What are the clinical signs of Keratoconjunctivitis Sicca? Recurrent conjunctivitis, Recurrent corneal ulcers/keratitis, mucoid ocular d/c
How is Keratoconjunctivitis Sicca diagnosed? Schirmer tear test
How is Keratoconjunctivitis Sicca treated? Tear stimulation drugs, artificial tears, topical antibiotics (ulcer), surgery
If untreated, what will Keratoconjunctivitis Sicca lead to? Blindness
T/F: Keratoconjunctivitis Sicca does not require life-long treatment False; does require life-long treatment
What are cataracts? Opacity of lens which causes reduction in vision
What species does cataracts frequently cause blindness? Dogs
What are the clinical signs of cataracts? Progressive loss of vision, Opaque pupillary opening
How is cataracts treated? Surgical removal of cataracts
T/F: Animals with cataracts can be used for breeding False; animals with cataracts should NOT be used for breeding
Created by: Acraft02
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