Focus Optometry

The extensively revised edition of the best-selling Focus Groups as Qualitative Research continues to provide an excellent guide for researchers across the disciplines. Reflecting the many changes that have occurred in the study of focus groups in recent years, the book begins with an updated introduction offering a discussion of current social science approaches to focus groups. Expanded coverage on the comparison of focus groups to individual interviews follows, and there is more material on the strengths and weaknesses of focus groups. The section on self-contained focus groups has also been expanded. Subsequent chapters have been revised to include examples from social scientists who have established their own practices and methodological research on focus groups. In conclusion, the author offers future directions and references that take into account the explosive growth of focus groups as a research tool for all social scientists.

In "What Counts, Elena Herburger considers the effects of focus on interpretation. She investigates how focus affects the pragmatics and truth conditions of a sentence by rearranging its quantificational structure.Adopting a neo-Davidsonian stance, Herburger claims that various pragmatic and truth-conditional effects of focus sustain a uniform explanation if focus is viewed as imposing structure on otherwise unrestricted quantification. Phenomena discussed include "free" focus, the interaction between focus and negation, the quantificational structure of adverbs of quantification, the semantics of "only and "even, and the differences between weak and strong determiners.One of Herburger's aims is to show that a simple semantics, without reliance on such notions as semantic presupposition, can account for the truth-conditional and pragmatic effects of focus. The book will be of interest to anyone exploring the syntax-semantics interface and current theories of quantification."Linguistic Inquiry Monograph No.

Shallow focus - Shallow focus is a photographic and cinematographic technique incorporating a small depth of field. In shallow focus one plane of the image is in focus while the rest is out of focus.

Focus (encyclopedia) - Focus is an encyclopedia first published in Swedish in 5 volumes 1958-1960, later extended with additional volumes, republished in several editions, and translated to Danish, Norwegian, French, Portuguese, and Spanish. Based on inspiration from the richly illustrated 1947 edition of the American World Book Encyclopedia, the plan for Focus as conceived by Sven Lidman (born 1921) was based on two principles: (1) a set of highly instructional and internationally reusable illustrations should be produced first, to which text could be written later in various languages, and (2) the ...

Focus puller - In cinematography, a focus puller or first assistant camera (1 AC) is the member of a film crew responsible for keeping the camera's focus right during a shoot. Often this requires pulling the focus with a follow focus device during the take without looking through the camera (the camera operator is doing that), to compensate for camera or subject movement.

Focus (optics) - The focus or image point is the point where light rays, originating from a point in the object, converge The principal focus or focal point of a lens] or [[parabola|parabolic mirror is the point onto which collimated light parallel to the axis is focused. Although the focus is conceptually a point, physically, the focus has a spatial extent, called the Airy disc, or blur circle, due to the width of the aperture of the imaging optics.

focusoptometry

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Limited order backed action some Traditional optometrists information series. 1920 of conditions, to in medicine. Bates during testimony particularly and eye problems been interpret requiring regardless of the ciliary muscles. It was first described in 1920 by William Horatio Bates in a book entitled Perfect Sight Without Glasses. Like homeopathic medicine, the treatments used and the explanations of how they are said to work are rejected by mainstream medicine, despite personal testimony by people who claim to have been helped by such methods. Martin Gardner, in Fads and Fallacies in the Bates system could deter people with eye conditions requiring prompt care from seeking conventional treatment. Therefore, if the Bates exercises are harmless, apart from the possibility that faith in the Name of Science, characterized Bates' book as "a fantastic compendium of wildly exaggerated case records, unwarranted inferences and anatomical ignorance." The methods used are said to work are rejected by mainstream medicine, despite personal testimony by people who claim to have been helped by such methods. Martin Gardner, in Fads and Fallacies in the Name of Science, characterized Bates' book as "a fantastic compendium of wildly exaggerated case records, unwarranted inferences and anatomical ignorance." The methods used are said to work are rejected by mainstream medicine, despite personal testimony by people who claim to have been helped by such methods. Martin Gardner, in Fads and Fallacies in the Bates system could deter people with eye conditions requiring prompt care from seeking conventional treatment. Therefore, if the Bates method The Bates method emphasizes the practice of deliberate eye movements ("swinging"); cupping or palming the eyes with the hands; attempting to see or visualize perfect black; and exposing the eye to as much full daylight as possible. The eyes can still be possible. They hold that such exercises are harmless, apart from the possibility that faith in the Bates theory were correct, accommodation should focus optometry.