Eye Flashcards
What is blepharospasm?
Squinting
What is epiphora?
Tearing
What are the 3 nerve pathways involved in the palpebral reflex?
Cranial nerves 5, 6, & 7
What should a schirmer tear test result be in health?
> 15 mm/min
What does the slit-beam evaluate?
Anterior segment of the eye
What 2 tools can be used as bright focal light sources in an eye examination?
- Finnoff transilluminator
2. Penlight
What 2 tools can be used for magnification during an eye examination?
- Head loupes
2. Ophthalmoscope
Which of the following requires topical anesthesia: Tonovet or Tonopen?
Tonopen
Which fundoscopy instrument provides the most magnification: Panoptic, direct ophthalmoscope, or the indirect opthalmoscope?
Direct ophthalmoscope
Which of the following provides and inverted and reversed view of the fundus: Direct ophthalmoscope, panoptic, or indirect ophthalmoscope?
Indirect ophthalmoscope
What is the purpose of the fluorescein stain test?
To identify corneal ulcers
What is the Jones test?
Following the fluorescein stain test, if the nasal lacrimal duct is intact, the stain will appear at the base of the nose (this is evident with a cobalt blue light)
Which is normal, a positive Jones test or a negative Jones test?
Positive
What light source helps identify corneal ulcers after fluorescein staining?
Cobalt blue
