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Figure 1 - Humphrey field analyser. Humphrey field analyser (HFA) is a tool for measuring the human visual field that is commonly used by optometrists, orthoptists and ophthalmologists, particularly for detecting monocular visual field. [1] The results of the analyser identify the type of vision defect.
The National Library Service for the Blind and Print Disabled [1] (NLS) is a free library program of braille and audio materials such as books and magazines circulated to eligible borrowers in the United States and American citizens living abroad by postage-free mail and online download. The program is sponsored by the Library of Congress.
Perimetry more carefully maps and quantifies the visual field, especially at the extreme periphery of the visual field. The name comes from the method of testing the perimeter of the visual field. Automated perimeters are used widely, and applications include: diagnosing disease, job selection, visual competence assessment, school or community ...
Created Date: 8/30/2012 4:52:52 PM
LibriVox is an invented word inspired by Latin words liber (book) in its genitive form libri and vox (voice), giving the meaning BookVoice (or voice of the book). The word was also coined because of other connotations: liber also means child and free, independent, unrestricted. As the LibriVox forum says: "We like to think LibriVox might be ...
The visual field is "that portion of space in which objects are visible at the same moment during steady fixation of the gaze in one direction"; [1] in ophthalmology and neurology the emphasis is mostly on the structure inside the visual field and it is then considered “the field of functional capacity obtained and recorded by means of perimetry”.
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A History of the Mind received positive reviews from the science journalist Marek Kohn in New Statesman and Society, [4] Francisca Goldsmith in Library Journal, [5] and from Publishers Weekly, [6] mixed reviews from the biologist Lewis Wolpert in New Scientist and the psychologist George Armitage Miller in The New York Times Book Review, [7] [8] and negative reviews from John C. Marshall in ...