Modification History
HLT07 Version 4 |
HLT07 Version 5 |
Comments |
HLTOPT407B Apply surface coatings to ophthalmic lenses |
HLTOPT407C - Apply surface coatings to ophthalmic lenses |
Unit updated in V5. ISC upgrade changes to remove references to old OHS legislation and replace with references to new WHS legislation. No change to competency outcome. |
Unit Descriptor
Descriptor |
This unit of competency describes the skills and knowledge required to apply hard and multi coating to ophthalmic lenses |
Application of the Unit
Application |
The application of knowledge and skills described in this competency unit related to functions necessary for working within optical technology Work at this level may be undertaken independently or under guidance and/or supervision |
Licensing/Regulatory Information
Not Applicable
Pre-Requisites
Not Applicable
Employability Skills Information
Employability Skills |
This unit contains Employability Skills |
Elements and Performance Criteria Pre-Content
Elements define the essential outcomes of a unit of competency. |
The Performance Criteria specify the level of performance required to demonstrate achievement of the Element. Terms in italics are elaborated in the Range Statement. |
Elements and Performance Criteria
ELEMENT |
PERFORMANCE CRITERIA |
1. Check quality of lens |
1.1 Ensure quality of lens surface 1.2 Ensure optical quality of lens is within acceptable tolerances 1.3 Ensure lens complies with prescription needs and fitting criteria of prescription |
2. Apply clean-room practices |
2.1 Ensure appropriate clean-room practices and procedures are implemented 2.2 Identify and remedy unwanted contaminants in clean-room area 2.3 Identify compliance of wearing appropriate personal protective equipment |
3. Apply dirty-room practices |
3.1 Ensure all solvents, acids and cleaning products are labelled in compliance with OH&S criteria and Material Data Safety Sheets 3.2 Recognise 'hazards' and address relevant hazardous situations appropriately 3.3 Ensure all safety practices are complied with in ordering, use, handling and storage of solvents, acids and cleaning products 3.4 Ensure all legislative and environmental regulations are adhered to in the disposal of solvents, acids and cleaning products 3.5 Ensure use of appropriate PPEs within the dirty-room environment |
4. Identify type of coating |
4.1 Interpret lens order 4.2 Arrange appropriate scheduling for batch coating processing 4.3 Select appropriate coating process |
5. Apply coating to lenses |
5.1 Prepare lens for coating, ensuring holding apparatus will not interfere with quality of coating 5.2 Apply hard and/or primer coating to specifications 5.3 Cure lens coating according to manufacturers' recommendations 5.4 Complete all quality checks on substratum ensuring compliance to needs of vacuum deposition process 5.5 Apply vacuum coating |
6. Check coating finish |
6.1 Check light transmission of coating in line with manufacturer/suppliers recommendations and/or organisational policies and procedure 6.2 Check lens surface in line with manufacturer/ supplier recommendations and/or organisation policies and procedure 6.3 Check surface quality in line with manufacturer/ supplier recommendations and or organisation policies and procedure |
7. Despatch lens |
7.1 Package lens in order that no lens wastage occurs 7.2 Despatch lens in accordance with the lens order 7.3 Confirm completion of job |
Required Skills and Knowledge
This describes the essential skills and knowledge and their level required for this unit. |
Essential knowledge: The candidate must be able to demonstrate essential knowledge required to effectively do the task outlined in elements and performance criteria of this unit, manage the task and manage contingencies in the context of the identified work role This includes knowledge of:
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Essential skills: It is critical that the candidate demonstrate the ability to effectively do the task outlined in elements and performance criteria of this unit, manage the task and manage contingencies in the context of the identified work role This includes the ability to:
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Evidence Guide
The evidence guide provides advice on assessment and must be read in conjunction with the Performance Criteria, Required Skills and Knowledge, the Range Statement and the Assessment Guidelines for this Training Package. |
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Critical aspects for assessment and evidence required to demonstrate this competency unit: |
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Context of and specific resources for assessment: |
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Method of assessment |
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Access and equity considerations: |
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Related units: |
It is recommended that this unit should be assessed in conjunction with or after the following units:
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Range Statement
RANGE STATEMENT |
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The Range Statement relates to the unit of competency as a whole. It allows for different work environments and situations that may affect performance. Add any essential operating conditions that may be present with training and assessment depending on the work situation, needs of the candidate, accessibility of the item, and local industry and regional contexts. |
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Coatings may include: |
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Appropriate coating process may include but is not limited to: |
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Equipment servicing, maintenance process may include but is not limited to: |
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Vacuum coating process may include: |
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Unit Sector(s)
Not Applicable