Spectacle Glazing and Repairs (5 ECTS)

Objective

Students are able to measure the interpupillary distance and measure the dioptric and prismatic powers of spectacles. They are able to edge the lenses in basic cases using an automatic edging machine. They are able to take into consideration the measurements and tolerances when glazing the spectacles. Students are able to do basic repairing and services of spectacles. Students are able to evaluate the quality and fitting of the spectacles to be dispensed and evaluate the usefulness and restrictions of use regarding various lens and frame materials.

Content

Edging of lenses to frames according to the prescription, mounting of lenses to frames, services and repairs of spectacles, use of the focimeter, pupillometer and other equipment to measure and glaze spectacles, production of a pair of spectacles ready to be dispensed. Commonly used chemical substances and their safe use.

Materials

Spectacle frames and lenses. The student prepare and repair glasses on the materials provided.
The student prepare about 15 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 2-4
The student is trained in the use of a lensmeter

Teaching methods

Workshop work

Exam schedules

The student's work is evaluated together with the student at the end of the course.

Completion alternatives

Participation in workshops

Student workload

Eero Kokko: The study module is 5 credits. 100 hours of workshop and 35 hours home work.

Content scheduling

Workshop work is scheduled for 23.10 - 14.12.2018

Further information

Practice with a lensmeter
Fitting plastic and metal frames
1) Plastic frame with single vision plastic lenses 2 pcs
2) Metal frame with single vision plastic lenses 2 pcs
3) Plastic frame with single vision glass lenses 1-2 pcs
4) Metal frame with single vision glass lenses 1-2 pcs
5) Optyl / Spx frame with Single vision lenses 1-2 pcs
6) Halv-rim frame with silnle vision lenses for 2-3 pcs
7) Metal frame with bi-focal lenses 1 pcs
8) Plastic frame with bi-focal enses 1pcs
9) Metal frame with Multifocal lenses 2 -3 pcs
10) Plastic frame with Multifocal lenses 2-3 pcs
11) Frameless (rimless) frame with Single vision lenses 1 pcs

Assessment criteria, satisfactory (1)

The 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, good (3)

The 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)

The 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

The student is able to:
- The student does not know or appreciate knowledge in the field sufficiently
- The student does not know or cannot use concepts in his field properly
- The student's professional level is not properly developed
- The student is not acting in accordance with his training and guidance
- The student is not familiar with instructions related to professional safety or ethical principles
- The student withdraws from cooperation with others

Assessment methods and criteria

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