Light

Oct 3, 2019 by in OPHTHALMOLOGY Comments Off on Light

Definitions Light – Electromagnetic energy detectable by the eye. Geometrical Optics – The properties of light governed by propagation in straight lines, refraction, and reflection. Physical Optics – The properties…

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Optics of the Human Eye

Oct 3, 2019 by in OPHTHALMOLOGY Comments Off on Optics of the Human Eye

Definition The classic optics of the eye are best understood in terms of the optical characteristics of its components—the cornea, pupil, crystalline lens, and retina—and how they function in combination….

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Molecular Genetics of Selected Ocular Disorders

Oct 3, 2019 by in OPHTHALMOLOGY Comments Off on Molecular Genetics of Selected Ocular Disorders

Definition The molecular mechanisms underlying selected inherited eye disorders as defined by the responsible genetic mutations. Key Features • Inherited disorders affecting the ocular anterior segment. • Genetic defects causing…

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Genetic Testing and Genetic Counseling

Oct 3, 2019 by in OPHTHALMOLOGY Comments Off on Genetic Testing and Genetic Counseling

Definition A genetic test is any clinical or laboratory investigation that provides information about the likelihood that an individual is affected with a heritable disease. The majority of genetic tests…

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Fundamentals of Human Genetics

Oct 3, 2019 by in OPHTHALMOLOGY Comments Off on Fundamentals of Human Genetics

Definition The central principles of human genetics with relevance to eye disease. Key Features • Gene structure and expression. • Organization and inheritance of the human genome. • Mutations and…

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Reconstructive Surgery

Sep 29, 2019 by in HEAD AND NECK SURGERY Comments Off on Reconstructive Surgery

Keywords flap, graft, reconstruction, microsurgery, pedicle   The impact of major ablative surgery for cancer in the head and neck region can be devastating for the patient, aesthetically and often…

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Soft Tissue Tumors

Sep 29, 2019 by in HEAD AND NECK SURGERY Comments Off on Soft Tissue Tumors

Keywords Lipoma, hemangioma, schwannoma, chordoma, skeleton   Tumors of the soft somatic tissues form a very small component in the spectrum of tumors requiring surgical treatment in the head and…

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