Elements and Performance Criteria

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.


Prescriptions may include:
Lens order including electronic, fax, telephone
Optometrist prescription


Basic mathematical operations mustinclude but is not limited to:
Base curve
Front curve
Prism
Lens power
Thickness
Cut out
Minimum size uncut


Lens material includes:
Mineral material
Organic material


Frame material includes
Metals
Plastics


Manufacture of higher powered prescription lenses may include:
Surfacing techniques for higher prescription lens surfaces
Surfacing techniques for higher prisms, prescribed and decentered prisms


Routine maintenance may include:
Regular checking of equipment
Replacing consumables
"in-house" cleaning and servicing of equipment according to manufacturer's guidelines
Periodic servicing by qualified or manufacturer approved technician


Equipment faults or problems may be identified or anticipated by:
Routine checking of equipment
Preparation of a maintenance program
Encouraging feedback from work colleagues
Regular back-ups of data
Keeping a log book of detected faults
Regular occupational health and safety inspections
Checking that repairs have been carried out


Basic lens treatment may include:
Tinting including colour and UV
Glass toughening

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.

Critical aspects for assessment and evidence required to demonstrate this competency unit:
The individual being assessed must provide evidence of specified essential knowledge as well as skills
Observation of actual or simulated workplace performance is essential for assessment of this unit
Consistency of performance should be demonstrated over the required range of situations relevant to the workplace
Where, for reasons of safety, space, or access to equipment and resources, assessment takes place away from the workplace, the assessment environment should represent workplace conditions as closely as possible


Context of and specific resources for assessment:
Resources essential for assessment include:
Access to an optical appliance manufacturing workplace


Method of assessment
Observation in the work place (if possible)
Written assignments/projects or questioning should be used to assess knowledge
Case study and scenario as a basis for discussion of issues and strategies to contribute to best practice


Access and equity considerations:
All workers in the health industry should be aware of access and equity issues in relation to their own area of work
All workers should develop their ability to work in a culturally diverse environment
In recognition of particular health issues facing Aboriginal and Torres Strait Islander communities, workers should be aware of cultural, historical and current issues impacting on health of Aboriginal and Torres Strait Islander people
Assessors and trainers must take into account relevant access and equity issues, in particular relating to factors impacting on health of Aboriginal and/or Torres Strait Islander clients and communities


Related units:
It is recommended that this unit be delivered and assessed in conjunction with:
HLTOPT406B Edge and fit ophthalmic appliances
HLTOPT407C Apply surface coatings to ophthalmic lenses