Course Title: Perform edging and fitting

Part B: Course Detail

Teaching Period: Term2 2009

Course Code: OPSC5045C

Course Title: Perform edging and fitting

School: 155T Vocational Health and Sciences

Campus: City Campus

Program: C4207 - 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: 50

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 unit should be undertaken before or with this unit:
• HLTOPD401A Work effectively in the ophthalmic industry

Course Description

This unit of competency describes the skills and knowledge required to perform edging and fitting of spectacle lenses and to apply specialised techniques, treatments and processes to finish and/or repair spectacle frames and lenses

National Codes, Titles, Elements and Performance Criteria

National Element Code & Title:

HLTOPD402A Perform edging and fitting


Conduct final checking procedures

Performance Criteria:

6.1    Determine any axis or centring error and apply Australian standards tolerances.
6.2    Check the spectacles on the focimeter to verify powers, axes and centration
6.3    Check lens surface for scratching and aberrations
6.4    Adjust the frame to standard alignment
6.5    Check metal framed spectacles for strain
6.6    Clean spectacles


Operate optical equipment

Performance Criteria:

2.1    Use optical equipment to edge and fit lenses
2.2    Clean equipment and attachments in accordance with manufacturer’s requirements and infection control procedures
2.3    Undertake regular maintenance procedures on equipment in accordance with manufacturers requirements and infection control procedures
2.4    Store equipment and attachments in accordance with manufacturer’s requirements and organisation policies and procedures


Perform edging and fitting

Performance Criteria:

3.1    Prepare for the edging of spectacle lenses
3.2    Edge lenses
3.3    Fit lenses to both plastic and metal frames
3.4    Use special hand-edging techniques to modify lenses for change-overs and centring corrections
3.5    Edge, groove and mount spectacle lenses to nyl-tag frames
3.6    Edge, drill and mount spectacle lenses to rimless frames


Perform frame adjustments, repairs and lens treatments

Performance Criteria:

4.1    Repair and modify spectacle frames
4.2    Standard alignment of frames
4.3    Produce tinted lenses to required standards


Prepare for edging and fitting

Performance Criteria:

1.1    Access required information and prescriptions
1.2    Prepare the environment
1.3    Check equipment and instruments to be used
1.4    Use personal protective equipment if required


Utilise computer technology

Performance Criteria:

5.1    Select appropriate technology and software applications to achieve the requirements of the task
5.2    Adjust workspace, furniture and equipment to suit the ergonomic requirements of the user
5.3    Use technology according to organisation requirements and in a way which promotes a safe work environment
5.4    Carry out or arrange routine maintenance in order to ensure that equipment is maintained in accordance with manufacturer’s instructions and organisation requirements
5.5    Identify equipment faults and take action in accordance with manufacturer’s instructions or by reporting fault to designated person

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 items 6 and 11.  Familiarise yourself with the content.

Teaching Schedule

Topic 1: Prepare for edging and fitting
Topic 2: Operate optical equipment
Topic 3: Perform edging and fitting
Topic 4: Perform frame adjustments, repairs and lens treatments
Topic 5: Utilise computer technology
Topic 6: Conduct final checking procedures

Learning Resources

Prescribed Texts


Other Resources

1. Learner guide HLTOPD402A
2. Learning and Assessment Guide – Year 2
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 HLTOPD402A.  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 items 6 and 11.  An RMIT University assessor will assess you on items 6 and 11 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