Eye exam Flashcards
What are the 5 parts of the eye exam?
- Distant
- Neruo-opthalmic
- Diagnostic testing
- Pupillary Dilation
- Orbital, occular, intraocular assessment
The Neuro-ophthalmic exam tests which cranial nerves?
CN: II-VIII
The Menance response tests:
CN II & VII
The Dazzle reflex tests:
CN II & VII
PLRs tests:
CN II & III, retina, iris sphincter, mid-brain
Palpebral blink reflex tests:
CN V & VII, orbicularis oculi
Vestibulo-occular reflex tests:
CN III, IV, VI, VIII, extraocular mm.
What is the order of the 3 routine diagnostic tests done during an opthalmic exam?
- Schirmer teat test
- Fluorescein stain
- Tonometry
What the normal STT results?
Dogs > 15 mm/mm
Cats > 5 mm/min
What light source is used to detect corneal ulcers with Fluorescein stain?
Cobalt light
What is the normal IOP of cats and dogs?
10-25 mmHg
KNOW THIS!!!!
What are some causes of low IOP?
Uveitis
Dec. aqueous production d/t inflammation
What are some causes of high IOP?
Restraint
Glaucoma
Jugular occlusion
Pushing on globe
When is tonometry contraindicated?
Corneal ulcers
Which of the 3 tonometers(indention-Schiotz, applanation-Tonopen/Accupen, rebound-Tonovet) does NOT require local anesthetics?
Rebound-TonoVet