10: Ear And Eye Proc Flashcards
How to diagnose KCS
Schirmer tear test
Scleral injection
Vasodilation of the sclera
Corneal edema
Cornea inflamed, appears cloudy
1 cause of KCS
Immune-mediated destruction of tear-producing glandular tissue
STT procedure
Bend notch w/in package, slide tip between lid and sclera, hold in place for 1 min
Normal STT
14-24 mm/min
STT results that indicate KCS
Below 10 mm/min
Purpose of fluorecien staining
Detect corneal defects, assess patency (openness) or nasolacrimal ducts
Lamp used for fluorescein staining
Woods lamp
Tonometry measures what
Intra-ocular pressure (IOP)
IOP is measured in
mmHg
Increased IOP is usually due to
Inability of fluid to drain from globe
Normal IOP values in dogs and cats
Dogs: 12.5-20.9 mmHg
Cats: 14.1-25.3