Course Title: Dispense atypical prescriptions

Part B: Course Detail

Teaching Period: Term2 2009

Course Code: OPSC5044C

Course Title: Dispense atypical prescriptions

School: 155T Vocational Health and Sciences

Campus: City Campus

Program: C4212 - Certificate IV in Optical Dispensing

Course Contact: Timothy Haigh

Course Contact Phone: +61 3 9925 4846

Course Contact Email:

Name and Contact Details of All Other Relevant Staff

Nominal Hours: 100

Regardless of the mode of delivery, represent a guide to the relative teaching time and student effort required to successfully achieve a particular competency/module. This may include not only scheduled classes or workplace visits but also the amount of effort required to undertake, evaluate and complete all assessment requirements, including any non-classroom activities.

Pre-requisites and Co-requisites

The following competency units should be undertaken before this unit:
• HLTOPD401A Work effectively in the ophthalmic industry
• HLTOPD403A Dispense optical appliances and services
The following competency unit should be undertaken before or in conjunction with this unit:
• HLTOPD407A Perform workshop skills and place orders

Course Description

This unit of competency describes the skills and knowledge required to identify atypical prescriptions and to use measurements and calculations for planning an effective dispensing strategy.

National Codes, Titles, Elements and Performance Criteria

National Element Code & Title:

HLTOPD404A Dispense atypical prescriptions


1. Evaluate the needs of clients requiring atypical optical prescriptions

Performance Criteria:

1.1    Interpret the parameters of atypical prescriptions
1.2    Analyse the prescription and identify areas of freedom and constraints
1.3    Assess the individual needs and requirements of the client
1.4    Select possible frame/lens/treatment combinations to suit the individual client s requirements


2. Determine the criteria influencing dispensing procedures for atypical prescriptions

Performance Criteria:

2.1    Perform measurements necessary to accurately dispense atypical prescriptions
2.2    Perform any necessary calculations required to dispense the prescription accurately
2.3    Evaluate the most appropriate course of action to be taken to meet the cosmetic, optical and functional needs of the atypical client


3. Dispense a range of atypical prescriptions

Performance Criteria:

3.1    Select appropriate frames to suit a variety of atypical prescriptions
3.2    Select appropriate lenses to suit the needs of atypical prescriptions
3.3    Select and specify appropriate bevelling and edging requirements to enhance the cosmetics and quality of the spectacles
3.4    Select appropriate lens treatments or additional requirements to maximise the visual performance and enhance the quality of the finished spectacles
3.5    Measure and specify the most appropriate lens fitting criteria
3.6    Ensure the quality of the finished spectacles
3.7    Fit and adjust the spectacles for the client ensuring that they are informed of the appropriate way to care for and use their spectacles

Learning Outcomes

Details of Learning Activities

1: Read topic one in the Learner Guide.  Upon completion of topic one complete the self-assessment checklist from the learner guide.  Once you have done this progress to topic top etc.
2:  Once you have read all of the topics and completed the self-assessments you are ready to do the online self-assessment.  Please note that this is not an assessment task.  The self-assessment will check your level of understanding of the unit and provide you with some feedback.
3: Refer to the Learning and assessment guide item 12.  Familiarise yourself with the content.

Teaching Schedule

Topic 1: Evaluate the needs of clients requiring atypical optical prescriptions
Topic 2: Determine the criteria influencing dispensing procedures for atypical prescriptions
Topic 3: Dispense a range of atypical prescriptions

Learning Resources

Prescribed Texts


Other Resources

1. Learner guide HLTOPD404A
2. Learning and Assessment Guide – Year 1
3. Essential knowledge: Visual physiology, Light, Prism, Spherical Lenses, Astigmatic Lenses, Lens Design, Multifocal Lenses, Contact Lenses, Atypical Lenses
4. Additional learning materials available through the Learning Hub
5. RMIT Library (

Overview of Assessment

Assessment may consist of examinations, quizzes, practical demonstration, work based assessment or simulation, submission of your learning and assessment guide and assignments.

Assessment Tasks

Before attempting any of the below assessment tasks ensure that you agree with all self-assessment checklists in the learner guide and that you have completed the online self-assessment quiz.

1.  Complete the online test titled HLTOPD404A.  This test consists of completing a series of 10 online questions.  These questions may consist of true or false, multiple choice, short answer questions etc.  In order to pass you need to answer seven or more correct (7 out of 10).  You must pass this prior to completing assessment task 2.

2.  Refer to your learning and assessment guide (LAG) and carefully read item 12.  An RMIT University assessor will assess you on item 12 during a work-based assessment and during your compulsory attendance at blocks in year one.  In addition your assessor will include a range of verbal questions to ask during these assessments.  In addition an RMIT University assessor may talk to your employer.

3.  At the end of the semester you will be required to complete a 60-minute online examination, which will be posted online for one week (you will be notified shortly).  Please note that this examination will cover HLTCOM405B, HLTOPD404A, HLTOPD403A, and HLTOPD402A and you will only be allowed to attempt it once.  This examination will include short answers, true or false, multiple-choice, equations and other types of questions.  You will know at the end of this test if you have passed.  The pass mark is 70%.  

Please note that you will need to demonstrate competency in all 3 of these assessment tasks in order to achieve competency for this unit.

Assessment Matrix

Course Overview: Access Course Overview