Corneal and Conjunctival Foreign Body Flashcards
What type of foreign body is more of a concern?
organic matter
When should you consider proparacaine when removing foreign bodies?
if pt has severe blepharospasm
What should you consider if pt has severe blepharospasm?
proparacaine
Slit lamp: Determine location, ____ & _____ of foreign body
depth & size
What must your assess under the slip lamp?
anterior chamber
To check for _____, instill fluorescein and assess area for staining
Seidel’s sign
What must you do before checking for Seidel’s sign?
Apply appropriate amount of fluorescein to suspected site (at least 2 strips)
In seidel’s sign, look for leading edge of ____ and ___ staining around the site.
hyperfluorescence, +
What are other signs of penetrating injury?
- peaked pupil
- shallow anterior chamber
- hypotony
- prolased intraocular contents
How would you consider treating patients with corneal perforation?
fox shield, and refer to ophthalmogist
Superficial particles may be removed with irrigating solution, ______, and _______
cotton-tip applicator, Weck Cell surgical sponge/spear
When removing foreign body, what must you do before holding patient’s eyelid with free hand?
lock down the slit lamp
Corneal foreign bodies shall be ____, be no deeper than the _____, and require no surgical upon removal.
non-prolilferating, midstroma
Rust ring typically appears _____ after incident
4-8 hrs
If metallic foreign bodies are not removed, what can happen? What are they at risk of?
permanant staining & potential scarring
at risk for erosion and infection
