Spectacles Manufacturing and repairing  (5 ECTS)

Learning outcomes

Students are able to:
describe the structure of the focimeter
measure the dioptric power and the prismatic effect of spectacles with a focimeter
use safely automated edge grinding machine and grind basic lenses to prescription
manufacture eyeglasses according to optical tolerances
perform simple spectacle frame maintenance and repairs
evaluate the quality and grinding accuracy of manufactured spectacles
explain about safety regulations and act responsibly with different chemicals used in the optical practice.

Content

Manufacturing spectacles; lens grinding to different frame materials according to prescription, finishing the lens edges, reducing lens diameter and positioning of the lenses in the frame
Tolerances for the spectacle manufacturing
Simple spectacle frame maintenance, repairs and replacement of spare parts
Structure and use of focimeter
Equipment needed for spectacle manufacturing and repairing
Chemical substances used in optician's work, chemical safety and safety regulations

Prerequisites

No previous requirements

Teaching methods

Interactive lecture
Guided assignments
Individual or group assignment
Workshop work

Location and time

Autumn semester 2025, the 2nd period. Lectures are conducted either on campus or remotely (Teams or Zoom). Workshops are on Myllypuro campus.

Learning materials and recommended literature

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

It is not allowed to use or distribute any tasks, assignments or MATERIALS in any other way than in student's own studies. Distributing ONLY with teacher's personal permission.

Exam dates and retake possibilities

No exam.
Workshop: The student's work is evaluated together with the student at the end of the course.

Student workload

Lectures and Workshops approximately 54 h
Independent studying approximately 40 h
Written assignment approximately 40 h
1 ECTS is approximately 27 hours of student work

If the student has a decision of special educational need, shall this student contact the teacher of the course immediately after the end of the registration period (or latest before the start of the course.)

Further information for students

Instructions on the use of artificial intelligence during the course are given separately. Students should familiarise themselves with Metropolia's AI guidelines and follow them in their study attainments.

Assessment methods and criteria

Written assignments
The grade of the course is determined based on the written assignments.

Evaluation scale

0-5

Assessment criteria, satisfactory (1)

Assessment: Pass/Fail
For evaluation criteria, see the attachment.
Assessment criteria for beginners are applied.

Assessment criteria, good (3)

Assessment: Pass/Fail
For evaluation criteria, see the attachment.
Assessment criteria for beginners are applied.

Assessment criteria, excellent (5)

Assessment: Pass/Fail
For evaluation criteria, see the attachment.
Assessment criteria for beginners are applied.

Assessment criteria, approved/failed

Assessment: Pass/Fail
For evaluation criteria, see the attachment.
Assessment criteria for beginners are applied.