Flashcards in lecture 9 applanation tonometry troubleshooting Deck (12)
between the tonopen and tonopen XL, which is the one that you need to calibrate regularly by holding up and down
Both proparacaine and benoxinate have an onset of ____ and a duration of _____
(T or F) A "toemark" is a serious injury
false, but if you left a toe mark you could give the pt some artificial tears
(T or F) Hand held Perkins contains a doubling prism and acts similarly to Goldman tonometry.
If pt is allergic to novocaine, is it safe to use proparacaine?
After GAT when do you recommend pt's to wear their CL's?
How do you ensure GAT probe is perpendicular to the cornea surface?
by offsetting mounting arm angle
what are the 3 basic components of the applanation tonometer 900?
1) probe 2) spring loaded probe holder 3) measuring drum
What is the area of central cornea applanation?
If you turn the GAT drum toward the patient, the semicircles get:
Your pt has small eyes and you are having difficulty performing tonometry. You try to lift the upper lid. What do you need to be careful of?
do not apply pressure on the globe while doing this, it will affect your IOP reading