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Ophthalmic Optics

Code 12505
Year 2
Semester S1
ECTS Credits 6
Workload PL(30H)/TP(30H)
Scientific area Optics
Entry requirements Basic knowledge of trigonometry.
Mode of delivery Face-to-Face
Work placements Not applicable
Learning outcomes In this UC is intended that students learn and apply the fundamental principles of ophthalmic optics including the various steps associated with the selection, prescription and fitting of ophthalmic lenses as a traditional way to compensate refractive errors. At the end of this course unit student should be able to: Measure the geometrical parameters associated with ophthalmic lenses; Identify the types of materials and treatment of lenses and frames; Identify spherical, astigmatic, aspheric, toric and multifocal lenses; Understand the power resulting from oblique cross cylinder; Calculate the prismatic effects induced by decentralization; Describe the effects of ophthalmic lenses on the visual field, accommodation and image size; Measure the power of spherical, astigmatic monofocal lenses and multifocal lenses; Analyze and interpret prescriptions for ophthalmic lenses; Mounting ophthalmic lenses in frames according to the parameters of ophthalmic prescription.
Syllabus 1. Introduction to ophthalmic optics 2. Fundamentals of optical paraxial 3. Materials and classification of ophthalmic lenses and frames. 4. Types of surface treatment of ophthalmic lenses. 5. Ophthalmic lenses and astigmatic spherical monofocal and multifocal. 6. Aspherical ophthalmic lenses. 7. Toric lenses. 8. Obliquely crossed cylinders 9. Prisms and prismatic effects 10. Decentralization in ophthalmic lenses. 11. Visual fields with ophthalmic lenses 12. Accommodation and convergence with ophthalmic lenses 13. Magnification with ophthalmic lenses 14. Workshop material and tools 15. Focimeter. 16. Analysis and interpretation of optometric prescriptions. 17. Selection and mounting lenses in frames. 18. Problems of adaptation to ophthalmic lenses.
Main Bibliography - Brooks, C. W., Borish, I. M.; (1996), System for ophthalmic dispensing (3rd ed.), Boston: Butterworth-Heinemann.
- Clifford W. Brooks, Essentials of Ophthalmic Lens Finishing (2rd ed) , Butterworth, Heinemann/Elsevier.
- Jalie, Mo; (2008), Ophthalmic lenses and dispensing (3rd ed.), Edinburgh: Butterworth Heinemann/Elsevier.
- Wakefield, K. G.; Stone, J.; (2000), Bennett's ophthalmic prescription work (4th ed.), Oxford: Butterworth, Heinemann.
- Keating, M. P.; (2002), Geometric, Physical and Visual Optics (2nd ed.), Butterworth-Heinemann.
- Bennett, A.G.; Rabbetts, R. B.; (1989) Clinical Visual Optics (2nd ed.), Butterworths – U.K.
Teaching Methodologies and Assessment Criteria Para obtenção de frequência, cada estudante deverá: - frequentar assiduamente as aulas práticas da disciplina (sendo-lhe permitida apenas uma falta não justificada), obtendo a classificação P, através da realização obrigatória de dois testes práticos e da avaliação contínua de desempenho no laboratório; - ter um número mínimo de presenças em aulas teorico-práticas igual a metade das aulas leccionadas; - efectuar um teste teórico (T) [03.01.2019 - 14:00, sala 07/02]; - obter aproveitamento na componente laboratorial, P >= 9,5 valores; - obter classificação superior a 6,0 valores na classificação de ensino-aprendizagem (CEA), obtida atraves da expressão: CEA = 1/2T + 1/2P. O aluno será dispensado de exame se T >= 9,5 valores e P >= 9,5 valores. A aprovação por exame será obtida se o aluno obtiver classificação final (CF) igual ou superior a 9,5 valores, sendo CF obtida a partir da expressão: CF = 1/2E + 1/2P, onde E = teste de exame. Os estudantes com regime de trabalhador estudante
Language Portuguese. Tutorial support is available in English.
Last updated on: 2016-06-09

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