DEFAMATION |
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In English and American law, and systems based on them, libel and slander are two forms of defamation (or defamation of character), which is the tort or delict of publishing (meaning to a third party) a false statement that negatively affects someone's reputation. "Defamation" is the term generally used internationally, and is accordingly used in this article where it is not necessary to distinguish between "libel" and "slander".
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FIBER OPTICS |
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An optical fiber (or fibre) is a transparent thin fiber, usually made of glass or plastic, for transmitting light. Fiber optics is the branch of science and engineering concerned with such optical fibers.
Optical fibers are commonly used in telecommunication systems, as well as in illumination, sensors, and imaging optics.
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OPHTHALMOLOGY |
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Ophthalmology is the branch of medicine which deals with the diseases of the eye and their treatment. The word ophthalmology comes from the Greek roots ophthalmos meaning eye and logos meaning word; ophthalmology literally means "the science of eyes." As a discipline it applies to animal eyes also, since the differences from human practice are surprisingly minor and are related mainly to differences in anatomy or prevalence, not differences in disease processes. By convention the term ophthalmologist is more restricted and implies a medically trained specialist. Since ophthalmologists perform operations on eyes, they are generally categorized as surgeons.
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