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3414.3 – Optical/ophthalmic laboratory technicians and assistants
Optical and ophthalmic laboratory technicians and assistants assemble eyeglasses according to prescriptions written by ophthalmologists and optometrists.
Profile
Example titles Help
- Ophthalmic laboratory technician - retail
- Ophthalmic lens grinder
- Optical laboratory assistant
- Optometrist assistant
Main characteristics Help
- General learning ability to assemble eyeglasses according to prescriptions received
- Finger dexterity and Manual dexterity to grind, cut polish and edge lenses for eyeglasses; and to make minor repairs for customers such as replacing frame screws and straightening frames
- Objective interest in precision working to operate laboratory equipment; and in maintaining and repairing optical laboratory equipment or machinery
- Methodical interest in copying established procedures to assemble eyeglasses according to precise specifications; and in fitting lenses into frames
- Innovative interest in assisting clients by suggesting improvements and recommending minor repairs to eyeglasses
Aptitudes Help
One of five levels assigned for each factor, with levels representing normal curve distribution of the labour force:
- G
- General learning ability
- V
- Verbal ability
- N
- Numerical ability
- S
- Spatial perception
- P
- Form perception
- Q
- Clerical perception
- K
- Motor co-ordination
- F
- Finger dexterity
- M
- Manual dexterity

- The highest 10% of the working population
- Upper third, exclusive of the highest 10%
- Middle third of the working population
- Lowest third, exclusive of the lowest 10%
- Lowest 10% of the working population
An individual's overall capacity to learn the skills needed to perform job duties is based on his or her specific aptitudes for acquiring information and transforming it into action.
General learning ability G-4
Ability to 'catch on' or understand instructions and underlying principles; to reason and make judgments.
Verbal ability V-4
Ability to understand the meaning of words and the ideas associated with them, and to use them effectively; to comprehend language, to understand relationships between words and to understand the meaning of whole sentences and paragraphs; to present information or ideas clearly.
Numerical ability N-4
Ability to carry out arithmetical processes quickly and accurately.
Spatial perception S-4
Ability to think visually about geometric forms and comprehend the two dimensional representation of three dimensional objects; to recognize the relationships resulting from the movement of objects in space. May be used in such tasks as blueprint reading and in solving geometry problems. Frequently described as the ability to 'visualize' objects of two or three dimensions.
Form perception P-4
Ability to perceive pertinent detail in objects and in pictorial and graphic material; to make visual comparisons and discriminations and to see slight differences in shapes and shadings of figures and widths and lengths of lines.
Clerical perception Q-4
Ability to perceive pertinent detail in verbal or tabular material; to observe differences in copy, to proofread words and numbers, and to avoid perceptual errors in arithmetical computation.
Motor co-ordination K-4
Ability to co-ordinate eyes, hands and fingers rapidly and accurately when required to respond with precise movements.
Finger dexterity F-3
Ability to move the fingers and manipulate small objects with the fingers rapidly and/or accurately.
Manual dexterity M-3
Ability to move the hands easily and skillfully; to work with the hands in placing and turning motions.
Interests Help
Three of five descriptive factors, assigned in order of predominance and lower case rating indicating weaker representation:
- D
- Directive
- I
- Innovative
- M
- Methodical
- O
- Objective
- S
- Social
Objective O
Objective persons enjoy working with tools, equipment, instruments and machinery. They like to repair and/or fabricate things from various materials according to specifications and using established techniques. Objective persons are interested in finding out how things operate and how they are built.
Methodical M
Methodical persons like to have clear rules and organized methods to guide their activities. They prefer working under the direction or supervision of others according to given instructions, or to be guided by established policies and procedures. Methodical persons like to work on one thing until it is completed. They enjoy following a set routine and prefer work that is free from the unexpected.
Innovative i
Innovative persons like to explore things in depth and arrive at solutions to problems by experimenting. They are interested in initiating and creating different ways to solve questions and present information. They enjoy scientific subjects. Innovative persons prefer to be challenged with new and unexpected experiences. They adjust to change easily.
Data, people, and things Help
Data
- 0
- Synthesizing
- 1
- Co-ordinating
- 2
- Analyzing
- 3
- Compiling
- 4
- Computing
- 5
- Copying
- 6
- Comparing
- 7
- N/A
- 8
- Not Significant
People
- 0
- Mentoring
- 1
- Negotiating
- 2
- Instructing - Consulting
- 3
- Supervising
- 4
- Diverting
- 5
- Persuading
- 6
- Speaking - Signaling
- 7
- Serving - Assisting
- 8
- Not significant
Things
- 0
- Setting up
- 1
- Precision working
- 2
- Controlling
- 3
- Driving - Operating
- 4
- Operating - Manipulating
- 5
- Tending
- 6
- Feeding - Offbearing
- 7
- Handling
- 8
- Not significant
Data Copying 5
Carrying out a set of explicit procedural/operational functions or processes based on an understanding of instructions or information necessary to perform the work.*
People Assisting 7
Attending to the needs and requests of people or animals or the expressed and implicit wishes of people; helping and supporting other workers in the performance of tasks.
Things Precision working 1
Using the body and/or equipment to move, guide, place, install and/or interface with objects, in order to attain specifications and precise standards. Considerable judgment is required to select, adjust and utilize appropriate tools, products and/or materials to accomplish specified objectives.
Physical activities Help
V - Vision
- 1
- Close visual acuity
- 2
- Near vision
- 3
- Near and far vision
- 4
- Total visual field
H - Hearing
- 1
- Limited
- 2
- Verbal interaction
- 3
- Other sound discrimination
L - Limb co-ordination
- 0
- Not relevant
- 1
- Upper limb co-ordination
- 2
- Multiple limb co-ordination
C - Colour discrimination
- 0
- Not relevant
- 1
- Relevant
B - Body position
- 1
- Sitting
- 2
- Standing and/or walking
- 3
- Sitting, standing, walking
- 4
- Other body positions
S - Strength
- 1
- Limited
- 2
- Light
- 3
- Medium
- 4
- Heavy
Vision Vision V-2
The use of sight in the work performed. The levels are organized in terms of the visual field involved in the performance of the work.
2 - Near vision
Work activities are performed near the worker. The scope of the visual field is broader than in Close visual acuity (1).
Examples:
- reading and interpreting drawings and specifications
- using computer keyboards and reading computer monitors
- repairing automobile engines
- setting up and operating machine tools
Colour discrimination Colour discrimination C-0
The use of colour descrimination to identify, distinguish and match colours and different shades of the same colours.
0 - Not relevant
Colour discrimination is not relevant in the performance of the work.
Examples:
- cleaning windows
- providing information over the telephone
- interviewing, hiring and overseeing staff training
- translating documents
Hearing Hearing H-2
The use of hearing in the work performed. The levels are organized in terms of the type of auditory discrimination involved in the performance of the work.
2 - Verbal interaction
Work activities involve communication with colleagues, clients and/or the public on a regular basis.
Examples:
- operating directory listing systems to provide directory assistance to customers
- resolving work problems and recommending measures to improve productivity
- consulting with families of the deceased regarding funeral services
- analyzing and providing advice on managerial methods and organization of establishments
Body position Body position B-3
Primary type of posture or body movement involved in performing the work. These postures or body movements range from simple to complex and from sedentary to mobile.
3 - Sitting, standing, walking
This level involves work activities in combinations and varying degrees of Sitting (1) and Standing and/or walking (2).
Examples:
- teaching students through lectures, discussions, audio-visual presentations and field studies
- assessing land values for taxation purposes
- ensuring that systems and equipment are operating efficiently on job sites
- supervising and co-ordinating the activities of workers who cut or stitch fabric, fur or leather garments
Limb co-ordination Limb co-ordination L-1
The use of limbs in performing work.
1 - Upper limb co-ordination
Work activities involve co-ordination of upper limbs.
Examples:
- keyboarding
- performing maintenance services such as oil changes, lubrications and tune-ups
- operating video cameras
- instructing students in sign language
Strength Strength S-2
The use of strength in the handling of loads such as pulling, pushing, lifting and/or moving objects during the work performed.
2 - Light
Work activities involve handling loads of 5 kg but less than 10 kg.
Examples:
- repairing soles, heels and other parts of footwear
- filing materials in drawers, cabinets and storage boxes
- preparing and cooking meals
- repairing paintings and artifacts
Environmental conditions Help
Location
- L1
- Regulated inside climate
- L2
- Unregulated inside climate
- L3
- Outside
- L4
- In a vehicle or cab
Hazards
- H1
- Dangerous chemical substances
- H2
- Biological agents
- H3
- Equipment, machinery, tools
- H4
- Electricity
- H5
- Radiation
- H6
- Flying particles, falling objects
- H7
- Fire, steam, hot surfaces
- H8
- Dangerous locations
Discomforts
- D1
- Noise
- D2
- Vibration
- D3
- Odours
- D4
- Non-toxic dusts
- D5
- Wetness
Hazards Equipment, machinery, tools H3
Potential hazards to which the worker may be exposed. The codes provide an indication of the type(s) of hazard(s) most likely to be present in the workplace environment. They are not a measure of frequency, duration or degree of exposure to hazards, but an indication of the presence or absence of a particular hazard in the work environment.
H3 - Equipment, machinery, tools
Working near or with equipment, instruments, machinery or power/hand tools that may be a potential source of accident or injury.
Examples:
- operating metal machining tools to shape metal
- using hand tools to fabricate wood products
- operating power saws to thin trees
- performing surgical procedures
Location Regulated inside climate L1
The work performed is carried out indoors in a regulated environment, indoors in an unregulated environment, outdoors or in a vehicle. In many occupations, the Main Duties may be performed in more than one location. Therefore, a group may have more than one Location code, for example:
- firefighting and fire prevention duties
- maintenance of interior/exterior of buildings
- managing operations and paperwork of farms
L1 - Regulated inside climate
A normal controlled environment such as an office, hospital or school.
Employment requirements Help
Education/training Help
- 1
- No formal education or training requirements
- 2
- Some high school education and/or on the job training or experience
- 3
- High school
- 4
- Course work, training, workshops and/or experience related to the occupation
- 5
- Apprenticeship, specialized training, vocational school training
- 6
- College, technical school (certificate, diploma)
- 7
- Undergraduate degree
- 8
- Post-graduate or professional degree
- +
- Additional requirement beyond education and training
- R
- Regulated requirement(s)
- Completion of secondary school and several months of on-the-job training are usually required.
Workplaces/employers Help
- Optical retail stores and laboratories
- Optometrists' offices
Exclusions Help
- Medical technologists and technicians (in 321 Medical technologists and technicians (except dental health))
- Pathologists' assistants (in 3212 Medical laboratory technicians and pathologists' assistants)
- Pharmacy technicians (in 3219 Other medical technologists and technicians (except dental health))
- Operating room technicians (in 3233 Licensed practical nurses)
- Other technical occupations in therapy and assessment (3237)
- Pharmacy clerks (in 6421 Retail salespersons)
Breakdown summary
- Broad occupational category
- 3 – Health occupations
- Skill level
- C – Occupations usually require secondary school and/or occupation-specific training
- Minor group
- 34 – Assisting occupations in support of health services
- Minor group
- 341 – Assisting occupations in support of health services
- Unit group
- 3414 – Other assisting occupations in support of health services
- Version
- NOC 2016 Version 1.3