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Course Guide 34287 Ocular biology COURSE DATA Data Subject Código Name Cycle ECTS Credits Curso académico 34287 Ocular biology Grade 6.0 2014 - 2015 Study (s) Degree Center 1207 - Grado en Óptica y Optometría FACULTY OF PHYSICS Subject-matter Degree 1207 - Grado en Óptica y Optometría Subject-matter 3 - Biology Coordination Name ALBEROLA ENGUIDANOS, JUAN ANTONIO MUÑOZ COLLADO, CARLOS Acad. Period year 1 First term Character Basic Training Department 275 - MICROBIOLOGÍA Y ECOLOGÍA 275 - MICROBIOLOGÍA Y ECOLOGÍA SUMMARY Objectives: General objectives To train the Optics-Optometry student in the basics of the microbial world and its importance to human eye health, studying the pathogenesis of ocular infections, the role of microorganisms and ocular tissues, as a basis for understanding the clinical course, treatment and prevention.Knowing infectious agents involved in eye infections and their control procedures. Understanding the mechanisms of ocular immune response and its importance in maintaining the health of the eye and adnexa. Specific objectives To know the structural and functional characteristics of bacteria, viruses and eukaryotic microorganisms responsible for eye infections.To train the student in the cultivation and practical handling of microorganisms in the laboratory.Acquire criteria sanitizing, sterilization and control of different scales to avoid the risk of eye infections, especially in contact lens wearers.Know the main groups of drugs used in each case detailing antimicrobial mechanisms of action, resistance and side effects eye level. 34287 Ocular biology 1 Course Guide 34287 Ocular biology PREVIOUS KNOWLEDGE Relationship to other subjects of the same degree There are no specified enrollment restrictions with other subjects of the curriculum. Other requirements OUTCOMES 1207 - Grado en Óptica y Optometría - LEARNING OUTCOMES Competencies or skills to be acquired: Be able to assist in the early detection of infectious eye and prevent avoidable risks and consequences.Participate directly as health educators capable of implementing control procedures of the microorganisms in the practice of contact lens fitting.Ability to interpret data from some laboratory tests.Being able to maintain a fluid communication of information obtained in their observations with other eye care professionals. 34287 Ocular biology 2 Course Guide 34287 Ocular biology DESCRIPTION OF CONTENTS 0. 0.A. - Ocular Biology Introduction to I. 0.B. - Introduction to ocular Biology II. 0.C. - Introduction to ocular Biology III. 1. UNIT 1 Overview and History of Microbiology. - Concept of Microbiology. Types of microorganisms. Theory of infectious disease. Contributions of Pasteur and Koch schools. Discovery of eye infections. Applications for Optical Optometrist Microbiology. 2. UNIT 2 Study of the similarities and differences between the structure of prokaryotic and eukaryotic microorganisms. Bacteria cell wall, membrane and cytoplasmic membrane systems. The cytoplasm. Mitochondria and chloroplasts. Ribosomes. 3. UNIT 3 Bacteria: genetic material and cell division. Resistance elements. Mobility and other elements. Bases of microbial genetics. Mutation, mutagenesis and mutants. Effect of mutation on the phenotype. Genetic recombination processes. Transformation. Transduction. Bacterial conjugation. Extrachromosomal genetic elements 4. UNIT 4 Chemical composition and nutritional requirements of microorganisms. Classification of microorganisms. Growth Factors. Physico-chemical factors affecting microbial growth: oxygen, temperature, pH, osmotic pressure, redox potential 5. UNIT 5 Nature of the virus. Characteristics of the virus particle. Overview of the multiplication of the virus. Effects of viral replication in the host cell. Cultivation and identification methods. Classification of animal viruses. Pathogenesis of viral infections. 6. UNIT 6 Introduction to Medical Mycology. Basic characteristics of fungi. Growth and reproduction. Classification of fungi. 7. UNIT 7 Introduction to Medical Parasitology. Basics protozoa, helminths and arthropods. 34287 Ocular biology 3 Course Guide 34287 Ocular biology 8. UNIT 8 Bases and anatomical study of the microbiota of the healthy eye. Characteristics of the ocular infections: infection and disease mechanism of pathogenicity of microorganisms, preventing eye infections, epidemiology. Transmission. Ocular infections in clinical practice. 9. UNIT 9 Introduction to defense mechanisms against infection. General concepts of natural immunity and specific immunity. 10. UNIT 10 Protocols microbiological diagnosis of ocular infections. Collection, transport and storage of samples. Conjunctival exudate. Corneal scrapings. Corneal biopsy. Contact lenses. Vitreous. Intraocular lens. Eyelid exudate. Samples of the lacrimal apparatus. 11. UNIT 11 Protocols microbiological diagnosis of ocular infections. Cultivation and isolation of microorganisms: media types. Identification and quantification of microorganisms. Sensitivity study. Rapid diagnostic methods and eye infections. Formation of deposits on the surface of contact lenses. Adherence of microorganisms to contact lenses. Growth of microorganisms in the matrix of the contact lens. 12. UNIT 12 Serological diagnosis. Conceptual bases. Methods used frequently. Concepts of sensitivity and specificity. Advantages and disadvantages. General notes. 13. UNIT 13 Study of microbiological, ocular manifestations, prevention and treatment of infections caused by Grampositive bacteria: Staphylococcus spp eye infections, and Streptococcus spp. 14. UNIT 14 Study of microbiological, ocular manifestations, prevention and treatment of infections caused by Gramnegative bacteria: Neisseria spp eye infections, Haemophilus spp., Enterobacteriaceae and Pseudomonas spp. 15. UNIT 15 Eye infections by Chlamydia trachomatis. Study of trachoma. Inclusion conjunctivitis and other ocular manifestations. Prevention and treatment. Eye infections by mycobacteria. 34287 Ocular biology 4 Course Guide 34287 Ocular biology 16. UNIT 16 Eye infections caused by herpes viruses. Microbiological study, ocular manifestations, prevention and treatment of herpes infections. 17. TEMA 17 Ocular infections caused by rubella virus, measles, mumps, and influenza infections by adenovirus. Microbiological study, ocular manifestations, prevention and treatment. 18. UNIT 18 Ocular infections caused by HIV virus. Microbiological study, ocular manifestations, prevention and treatment. Viral infections and the development of malignancies. 19. UNIT 19 Fungi as etiologic agents producing ocular infections. Features ocular mycoses. 20. unit 20 Study of eye infections with Toxoplasma, Acanthamoeba, Toxocara spp. and other protozoa and helminths. 21. Seminars A Seminar A1: Control of microorganisms. Physical methods of control. Action of temperature. Damp heat. Method filtration. Ultraviolet radiation and ultrasound. Use in Optics. Seminar A2: disinfection and asepsis. Using the system in Contactología peroxides. Rating disinfectant. Cleaning, disinfection and others. Intrinsic inhibitory power for keeping liquid contact lenses. Microbiological study of ophthalmic preparations. Study and microbiological criteria for keeping liquids contact lenses. Seminar A3: Chemotherapeutics and antibiotics. Bacterostáticos and bactericides. Assessment of antimicrobial activity. Seminar A4: Testing antimicrobial susceptibility: antibiogram. A5 Seminar: Study of the main antibacterial, antifungal and antiviral. Use in the treatment of eye infections. A6 Seminar: Essentials of antimicrobial resistance. Resistance mechanisms and implications. 22. Seminars B Seminar 1B: Resolution of different clinical cases of ocular infectious disease 23. PRACTICES 34287 Ocular biology 5 Course Guide 34287 Ocular biology General objectives: 1. - Preparation techniques and sterilization equipment. 2. - Techniques of planting and cultivation of microorganisms. 3. - Observation techniques of microorganisms. 4. - Basic techniques for bacterial identification. 5. - Microbiological study of eye infections in the laboratory. 6. - Shares of antimicrobials on microorganisms: antibiogram. 7. - Microbiological control of ocular hygiene. 8. - Intrinsic inhibitory power rating of liquids keeping contact lenses. development Practice 1: Microbiological analysis of eye discharge. Sampling. Microscopic observation of clinical samples and culture. Isolation and identification of S. aureus, P. aeruginosa and enterobacteria different sensitivity study. Antibiogram disk-plate. pRACTICE 2: Mushrooms and eye infections. Macroscopic and microscopic observation of C. albicans, A. fumigatus and A. alternata. Intrinsic inhibitory power rating of liquids keeping contact lenses. Observations of parasitological interest. WORKLOAD ACTIVITY Theory classes Tutorials Laboratory practices TOTAL Hours 45.00 10.00 5.00 60.00 % To be attended 100 100 100 TEACHING METHODOLOGY English version is not available El desarrollo de la Asignatura, que consta de 6 créditos, está estructurado de la siguiente forma: 45 horas de clases Teóricas, distribuidas en tres horas semanales, una hora por semana para cada una de las tres partes que componen la Asignatura (Anatomía, Fisiología y Microbiología) y 15 horas de actividades de carácter práctico, distribuidas en Seminarios, Tutorías y Sesiones de Laboratorio, siendo obligatoria la asistencia a las mismas. Cada una de las materias de las que consta la Asignatura contribuye en la misma proporción a la calificación final del alumno, es decir, cada parte representa un tercio de la nota final del alumno. No obstante lo anterior, para que se pueda realizar el sumatorio de las calificaciones de cada una de las materias, es preciso que el alumno haya alcanzado en cada una de ellas una nota igual o superior a 5,0. En los casos en los que un alumno tenga una o varias de las materias calificadas con una nota inferior a 5,0 deberá volver a examinarse de dicha parte si decide presentarse en la segunda convocatoria del mismo curso académico, guardándosele la calificación alcanzada en los restantes módulos de la Asignatura. Sin embargo, las notas no se guardan de un curso para otro. 34287 Ocular biology 6 Course Guide 34287 Ocular biology EVALUATION Evaluation and assessment criteria Attendance and participation: 10% (more than 80% attendance of lectures and seminars) Continuous assessment: 30% (seminars) Theoretical and practical examination 60% The evaluation of the workshops will be a test with 30 multiple choice questions to be held at the end of the series (A and B seminars on mentoring group). Apply a correction of random 1/4. The practical examination will consist of 30 multiple choice questions (apply a correction of random ¼) and 3 questions. REFERENCES Basic - 1.BROCK, Biología de los Microorganismos, 10ª Ed. Madigan M.T., Martinko J.M., Parker J. Pearson -Prentice Hall. 2008 2. FEDUKOWICZ, H.B., STENSON S. Infecciones externas del ojo. 3ª edición. Ed. Panamericana.1987. 3.MURRAY,P.R., ROSENTHAL, K.S. y PFALLER, M.A. Microbiología médica. 5ª edición. Elservier Mosby 2006. 4.PRESCOTT. HARLEY Y KLEIN. Microbiología. Ed. Mc Graw-Hill. Interamericana 2008. 5.SEAL,D. and PLEYER,U. Ocular Infection, second edition. Informa Health Care, USA. 2007. 6. TORTORA,G.J., FUNKE,B.R. y CASE, C.L., Introducción a la Microbiología. 9ª edición. Panamericana. 2007. 34287 Ocular biology 7