TONOMETRY (EXAM 1) 2024 QUESTIONS WITH COMPLETE SOLUTIONS!!

TONOMETRY (EXAM 1)
2024 QUESTIONS WITH
COMPLETE
SOLUTIONS!!
TONOMETRY

Evatee 10/13/24 TONOMETRY

,TONOMETRY (EXAM 1) 2024 QUESTIONS
WITH COMPLETE SOLUTIONS!!


Tonometry is the ______________ estimation of intraocular pressure by
measuring resistance of the eye to indentation by an applied force. Answer -
Indirect


What is the equation for IOP? Answer - IOP = F / C + PV




F = aqueous formation


C = Outflow rate


PV = Episcleral venous pressure


Typically the production of aqueous is _________ microliters/minute and
drainage of aqueous is ______ microliters/minute. Answer - 2.5


2.5


IOP is dependent on what factors? Answer - - Aqueous humor PRODUCTION


- CIRCULATION of aqueous humor

, - EGRESS of the aqueous humor from the eye


- VOLUME of the vitreous humor


- Elasticity of the cornea and sclera (RIGIDITY)
~ effects the measurement of IOP, not actually IOP


When is tonometry indicated? Answer - - CEE


- Screening guidelines (increased IOP = risk for glaucoma)


- Ocular hypertension


- Glaucoma workup


- Glaucoma management


- Monitor medication effects


When is tonometry contraindicated? Answer - - Red eye of INFECTIOUS
ORIGIN (contaminate tools)
***Some exceptions to this (ie: uveitis)


- Severely traumatized cornea
~ need intact cornea