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  4. Contactology


Code 12525
Year 3
Semester S2
ECTS Credits 6
Workload PL(30H)/TP(30H)
Scientific area Optometria
Entry requirements None
Mode of delivery Face-to-Face
Work placements Not applicable
Learning outcomes Provide the knowledge and application of fundamental principles of contact lenses fitting as an alternative method to the most traditional processes of compensation of ametropia.

Thereby, the student should be able to:
- Identify the physiological changes and ocular pathologies induced by contact lens wear.
- Plan and select the contact lens that best suits a potential user based on preliminary tests and routine.
- Apply the procedures necessary for contact lenses fitting.
- Analyze and describe a contact lens fitting based on their behavior.
- Provide and apply solutions in order to improvement the adaptation of contact lenses.
- Select the most appropriate maintenance system according to the type and utilization schema of contact lenses.
- Plan and apply the several control and review procedures for contact lenses.
- Discuss possible alternatives to the use of contact lenses.
Syllabus Theoretical classes:
1-Anterior Segment of the Eye
Anatomy of the Anterior Segment of the Eye
Physiology of the Anterior Segment of the eye

2-Introduction to Contact Lenses
Materials for Contact Lenses
Contact Lens Optics
RGP Contact Lens Design
Soft Contact Lenses Design

3-Fitting Contact Lenses
Fitting RGP Contact Lenses
Fitting Soft and Silicone Hydrogel Contact Lenses
Fitting Toric Soft Contact Lenses

4-Maintenance and Care of Contact Lenses
Contamination and deposits in contact lenses
Properties of Contact Lens Maintenance Products
Maintenance Systems for RGP and Soft Contact Lenses

5-The Cornea and the Use of Contact Lenses
Measuring Corneal Oxygen
Requirements Corneal Oxygenation with Contact Lenses
Corneal pathologies induced by contact lenses

Practical classes (skills):
1. Biomicroscopy.
2. Preliminary and routine exams in contactology.
3. Fitting rigid gas permeable contact lenses.
4. Fitting spherical hydrophilic contact lenses.
5. Fitting toric hydrophilic contact
Main Bibliography - Philips, A. J.; Speedwell, L.; (2007) Contact Lenses, 5th ed., Oxford: Butterworth-Heinemann, Elsevier.
- Efron, N. (2010) Contact lens practice, 2nd ed., Edinburgh : Butterworth-Heinemann,Elsevier.
- Efron, N. (2004) Contact lens complications, 2nd ed., Edinburgh Butterworth-Heinemann.
- González-Méijome, J. M.; (2005) Contactologia,1st ed., Universidade de Santiago de Compostela.
Teaching Methodologies and Assessment Criteria The UC includes theoretical classes and laboratory classes. The theoretical classes are organized by combining two teaching methodologies: - lectures and presentation and discussion of scientific articles by the students. The laboratory classes are structured in two moments: - the first dedicated to a small briefing for consolidation of practical contents and the second for the development of practical skills through the performance of procedures inherent to the process of selection, fitting and decision in potential users of contact lenses. The evaluation of knowledge includes two components: Theoretical assessment (60%), which includes 2 written tests, and practical laboratory evaluation (40%), which includes 2 written tests on practical cases and 2 practical tests.
Language Portuguese. Tutorial support is available in English.
Last updated on: 2020-06-24

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