Module 5 

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Module 5:

OVERVIEW

Estimated study time:  3/4 hour.

Target Audience:  This module covers basic concepts and is appropriate for assistant and  technician level personnel. 

Pre-requisites:  A basic knowledge of extraocular muscle actions.

Date of original release:  February 2000

Section 1:

Description of content:  This section discusses how the Cover Test is used to detect a tropia.  The procedure is reviewed step-by-step.  Animated examples are included.  The difference between a tropia and a phoria is discussed,  and types of deviations are reviewed.

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

• Explain the difference between a tropia and a phoria

• Describe the Cover Test procedure

• Identify types of deviations revealed by the Cover Test

Section 2:

Description of content:  This section discusses how the Uncover Test is used to detect a phoria.  The procedure is reviewed  step-by-step.  An animated demonstration is included.

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

• Explain how the Uncover Test works to reveal a phoria

• Describe the Uncover Test procedure

• Identify types of deviations revealed by the Uncover Test

Section 3:

Description of content:  This section discusses how the Cover Test and the Uncover Test are combined into one procedure; the Cover-Uncover Test.  The procedure is reviewed step-by-step,  and animated examples are given.

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

• Explain the functions of the steps involved in the Cover-Uncover Test

• Describe the Cover-Uncover Test procedure

• Identify types of deviations revealed by the Cover-Uncover Test

Section 4:

Description of content:  This section discusses the difference between the Cover-Uncover Test and the Alternate Cover Test.  Advantages and disadvantages of the Alternate Cover test are explained.  The procedure is reviewed step-by-step,  and an animated demonstration is given.

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

• Explain the difference between the Cover-Uncover Test and the Alternate Cover Test

• Describe the Alternate Cover Test procedure

• Identify types of deviations revealed by the Alternate Cover Test

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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