Module 13 
 

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Module 13:

 Visual Fields - Automated,

Monitoring for Reliability
 

 
 

OVERVIEW
 

 
 

Estimated study time:  One hour.

 

Program level:  Intermediate

 

Target Audience:  OMPs presently performing or planning to perform automated perimetry,  particularly with the Humphrey Field Analyzer.

 

Pre-requisites:  Modules 11 and 12, or knowledge of basic visual field concepts.  Some experience with a Humphrey Field Analyzer is helpful, but not required.

 

Date of original release:  April 2002
   
 

Description of content:  This Module covers the factors that affect a reliable automated visual field test.  Machine set-up, patient compliance, patient positioning, and patient fixation and response are discussed with regard to how the operator can maximize the reliability of the test.  This is useful information for the experienced technician as well as the novice.

 

Instructional  objectives:  Upon completion of  this section,  the student should be able to:

  • Calculate the trial lens power in special situations such as dilation and contact lens wear

  • Provide effective instruction to the patient with regard to what can be expected during testing

  • Choose an appropriate fixation target with regard to the patient's central visual acuity

  • Define sources of error in automated perimetry

  • Describe the function of Gaze Tracking and the Vertex Monitor
   
  Financial Interest Statement:  Neither I, nor a member of my family, nor my professional partnership or corporation, currently have or have ever had a financial interest in Zeiss Humphrey, or a financial relationship or advisory capacity with Zeiss Humphrey related to this presentation.

Gary Gallimore, COMT
   
 

About the Author: Gary Gallimore is a certified ophthalmic technologist who assists with research at the Eye Foundation of Kansas City and works for a large multi-specialty ophthalmology practice in the metro area of Kansas City.   He has taught CE courses for many years on all subjects of ophthalmic technology. 

 
   
 

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