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BSc Optometry / Course details

Year of entry: 2020

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Course unit details:
Binocular Vision B

Unit code OPTO30221
Credit rating 10
Unit level Level 3
Teaching period(s) Semester 1
Offered by Optometry
Available as a free choice unit? No

Overview

Binocular Vision is the ability to use both eyes simultaneously to focus on the same object and view it as a single three dimensional image. Through lectures, practicals and clinical sessions you will build on the knowledge gained in Binocular Vision A so that you are able to:

  • Understand the abnormalities of binocular vision associated with strabismus, anisometropia and incomitance.
  • Understand normal and abnormal binocular vision
  • Correlate clinical and basic scientific knowledge of binocular vision
  • Understand the normal and abnormal development of vision in infants
  • To examine, diagnose and manage strabismic patients
  • Communicate with patients to elicit symptoms, design and explain treatment regimes, organise appropriate referrals.

Aims

  • Give students an understanding of the abnormalities of binocular vision associated with strabismus, anisometropia and incomitance.
  • Demonstrate knowledge of normal and abnormal binocular vision
  • Correlate clinical and basic scientific knowledge of binocular vision
  • Understand the normal and abnormal development of vision in infants
  • To examine, diagnose and manage strabismic patients
  • Communicate with patients to elicit symptoms, design and explain treatment regimes, organise appropriate referrals.

Learning outcomes

Students should be able to:

  • Understand the theory behind binocular vision (BV)
  • Understand the development of binocular vision from embryo – adult and the normal developmental milestones.
  • Understand the physiological and neural mechanisms responsible for normal and abnormal BV
  • Understand the effects of heterotropia on BV
  • Recognise what constitutes normal and abnormal visual alignment and correlate patient signs and symptoms to these states
  • Be able to understand the consequences and treatment of abnormal binocular vision
  • Develop self study skills by working through exercises and articles
  • Investigate, diagnose and treat decompensated heterophoria
  • Investigate and diagnose BV abnormalities and be aware of the appropriate management.
  • Understand and interpret test results from BV examinations
  • Detect symptoms relevant to binocular anomalies
  • Develop observational skills and record clinical data.
  • Have an awareness of binocular vision investigation and treatment in Primary and Secondary clinical care environments
  • Patient communication and record keeping

Syllabus

Lecture content

  • Development of visual performance in infants
  • Causes and consequences of abnormal visual development
  • Causes of strabismus
  • Classification and characteristics of commitant strabismus
  • Sensory Adaptation to strabismus
  • Basic strabismus management with prism
  • Basic strabismus management with refraction
  • Basic strabismus management with exercises
  • Introduction to incommitancy (examples)
  • Basic management of amblyopia
  • Investigation of incommitancy
  • Non-surgical management of incommitancy
  • Surgical management of strabismus
  • Reading and its difficulties
  • Review/Space for more time if required
  • Congenital ocular oscillations
  • Alphabet patterns
  • General BV patient management

Practical content

  • Investigation of ocular motor and sensory status in normal and strabismic patients
  • Assessing children’s visual function
  • Prescribing for children
  • Assessment of accommodation
  • Cycloplegic refraction
  • Vision Therapy Exercises

Clinical Content

  • Investigation of ocular motor and sensory status in normal and strabismic patients
  • Assessing children’s visual function
  • Prescribing for children
  • Assessment of accommodation
  • Cycloplegic refraction
  • Orthoptic Exercises
  • Orthoptic techniques and instrumentation to consolidate the theoretical teaching
  • Visits to MREH for clinical training in Orthoptics
  • Clinical sessions within the clinics to assess and treat referred patients
  • Paediatric clinics to assess children’s visual performance and manage accordingly

Assessment methods

2 hour written examination, short answer questions (100%)

Binocular Vision Core Competencies

Feedback methods

Online weekly quizzes following each lecture.

One-to-one feedback on all BV and paediatrics core competencies attempted.

Recommended reading

  • Mein.J and Trimble.R (1991) Diagnosis and management of Ocular motility disorders.
  • Pickwell, D & Evans, B.J.W (2002) Pickwell's Binocular Vision Anomalies (4th Edition). Butterworth-Heinemann Ltd
  • Rowe, F (2012) Clinical Orthoptics.
  • Steinman, Steinman and Garzia (2000) Foundations of binocular vision: A clinical perspective.

Study hours

Scheduled activity hours
Assessment written exam 2
Lectures 24
Independent study hours
Independent study 74

Teaching staff

Staff member Role
Catherine Porter Unit coordinator

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