Module 28 

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Module 28:

Binocular Vision

OVERVIEW

Estimated study time:  One hour.

Program Level:  Basic and intermediate

Target Audience:  OMPs with little or no knowledge of binocular vision, and more experienced OMPs wanting review.

Pre-requisites:  None

Date of original release:  March 7, 2005

Section 1:

Description of content:  This section discusses components of binocular vision, including: 

• fusion

• stereopsis and stereo viewing

• depth perception

• abnormal binocularity

• amblyopia

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

• identify depth perception clues

• explain characteristics of stereopsis

• explain characteristics of ambyopia

• list types of amblyopia

• describe common treatments of amblyopia

• describe proper testing procedures for detecting amblyopia

Section 2:

Stereo Tests and the

Four Diopter Base-Out Prism Test

Description of content:  This section describes the function of, and the performance of, stereo perception tests and the four diopter base-out prism test.

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

• describe what the symbols on a particular stereo test represent

• describe how to score a stereo test

• list the proper steps needed to perform a stereo test

• identify what the four diopter base out prism test measures

• describe the procedure for performing the four diopter base out prism test

About the Authors: 

Felix N. Sabates, MD, is Chairman of the Department of Ophthalmology at the University of Missouri-Kansas City School of Medicine. He served as editor and reviewer for this module.

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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