Spectacle application and manufacturing (10 ECTS)

Location and time

Autumn semester 2023, Myllypurontie 1

Materials

Pointed literature
Spectacle Lenses: Theory and Practice. Colin Fowler, Keziah Latham Petre. Boston: Butterworth-Heinemann, 2001
SYSTEM FOR OPHTHALMIC DISPENSING. Clifford Brooks, Irvin Borish. Elsevier Health Sciences 2006
Ophthalmic Lenses & Dispensing. Mo Jalie SMSA FBDO(Hons) HonFCGI HonFCOptom MCMIgt. 1999
Materials & Treatments, Essilor
Pinnoitteet, Essilor
Lecture materials
Pointed articles
workshop
Spectacle frames and lenses. The student prepare and repair glasses on the materials provided.
The student prepare spectacles in accordance with the instructions given.
Eyeglass lenses are made of plastic, glass and polycarbonate.
The student will repair broken celluloid acetate and metal frames
The student is trained in the use of a lensmeter.

Employer connections

N/A

Exam schedules

Spectacle Frames and Lenses exam 11.10.2023,
first retake 7.11.2023
second retake 12.12.2023.
Workshop: The student's work is evaluated together with the student at the end of the course.

International connections

N/A

Completion alternatives

N/A

Evaluation methods and criteria

Exam and written assignment
Learning assignment
Continuous assessment
Attendance 80 %
The student's work is evaluated together with the student at the end of the course.
Pupil distance tolerance 0.5 -1.0 mm / lens
The height tolerance 0.5 mm / lens
Axis direction tolerance from 1 degree to 5 degrees

Student workload

Spectacle Frames, Tanja Lehti 2 ECTS
Spectacle Lenses, Saija Flinkkilä 3 ECTS
Workshop, Tanja Lehti and Johan Lehti 5 ECTS

Teaching methods

Interactive lecture
Lecture
Guided assignments
Individual or group assignment
Workshop work

Further information

Detailed contents
Spectacle lens prescriptions for ametropia
Physical characteristics of ophthalmic lenses
Geometry of lens surfaces (spherical, cylindrical)
Lens form and lens thickness (centre, edge)
Materials (index of refraction, dispersion, hardness)
Optical and spectacle frame consideration of high-powered lenses: spheric, aspheric and high index materials
Basics of photochromic lenses
Methods of remedying reflections and secondary images
Measuring the pupil distance
Measuring the hight distance
Measuring the diameter of the lens
Spectacle frames history
Physical characteristics and biological compatibility of frame materials
Specification and nomenclature of spectacle frame components
Physical requirements of frame materials
Spectacle Applications
Frame and lens design and manufacturing, including types of single vision and multiple focal lenses, kinds of lens materials, base curves and cylinder forms, character and placement of multi-focals, optical centres and frame specifications.
Fitting and adjusting frames for the wearer
Patient counselling information associated with the dispensing of prescriptions for different ametropias
Eyewear Busines
Practice with a lensmeter
Fitting plastic and metal frames

Evaluation scale

0-5

Assessment criteria, satisfactory (1)

Student is able to:
- Display learning in core content
- Use individual professional concepts correctly
- Find information for a specific situation
- Distinguish between non-theoretical and theoretical information
- Act in individual professional situations as instructed
- Display learning in his professional field
- Show that he has achieved the targets for core competence
- Follow safety instructions
- Display learning in the ethical principles of his professional field
- Operate as a member of a student group

Assessment criteria, good (3)

Student is able to:
- Display an understanding of concepts and professional knowledge in the field
- Assess and limit the amount of information needed
- Operate well in typical professional duties and contexts
- Operate in a multicultural environment
- Operate safely
- Act according to professional ethics
- Operate in a student group

Assessment criteria, excellent (5)

Student is able to:
- Use concepts and knowledge in his field systematically
- Assess and use various information sources
- Apply professional information in professional assignments
- Work in various duties in a variety of operating environments
- Act independently and responsibly in professional contexts
- To take safety issues into consideration in his action
- Argue his choices on the basis of professional ethics
- Organise the activities of a group of students

Assessment criteria, approved/failed

Student is able to:
- Display learning in core content
- Use individual professional concepts correctly
- Find information for a specific situation
- Distinguish between non-theoretical and theoretical information
- Act in individual professional situations as instructed
- Display learning in his professional field
- Show that he has achieved the targets for core competence
- Follow safety instructions
- Display learning in the ethical principles of his professional field
- Operate as a member of a student group

Further information

Detailed contents
Spectacle lens prescriptions for ametropia
Physical characteristics of ophthalmic lenses
Geometry of lens surfaces (spherical, cylindrical)
Lens form and lens thickness (centre, edge)
Materials (index of refraction, dispersion, hardness)
Optical and spectacle frame consideration of high-powered lenses: spheric, aspheric and high index materials
Basics of photochromic lenses
Methods of remedying reflections and secondary images
Measuring the pupil distance
Measuring the hight distance
Measuring the diameter of the lens
Spectacle frames history
Physical characteristics and biological compatibility of frame materials
Specification and nomenclature of spectacle frame components
Physical requirements of frame materials
Spectacle Applications
Frame and lens design and manufacturing, including types of single vision and multiple focal lenses, kinds of lens materials, base curves and cylinder forms, character and placement of multi-focals, optical centres and frame specifications.
Fitting and adjusting frames for the wearer
Patient counselling information associated with the dispensing of prescriptions for different ametropias
Eyewear Busines
Practice with a lensmeter
Fitting plastic and metal frames