Module 15 
 

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Module 15:

Visual Fields - Advanced Concepts

 

 
 

OVERVIEW
 

 
 

Estimated study time:  One hour.

 

Program Level:  Advanced.

 

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

 

Pre-requisites:  Modules 11, 12, 13, and 14 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 discusses threshold testing strategy, screening strategies, SITA, SWAP, functional field loss, binocular field testing, Esterman functional tests, fluctuation, and scotomata with steep and sloping margins.

 

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

  • Define terms associated with threshold testing strategy

  • Identify the principle used in most screening strategies

  • Describe the SITA and SWAP strategies

  • List the characteristics of SWAP field testing

  • Identify possible causes of functional field loss

  • List the steps needed to perform binocular field testing

  • Describe Esterman Functional Tests

  • Define fluctuation

  • Describe a scotoma with steep margins and a scotoma with sloping margins
   
  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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