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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.
A visual field test is an eye examination that can detect dysfunction in central and peripheral vision which may be caused by various medical conditions such as glaucoma, stroke, pituitary disease, brain tumours or other neurological deficits.
The macula corresponds to the central 17 degrees diameter of the visual field; the fovea to the central 5.2 degrees, and the foveola to 1–1.2 degrees diameter. [ 10 ] [ 11 ] [ 12 ] Note that in the clinical literature the fovea can refer to the central 1–1.2 deg, i.e. what is otherwise known as the foveola, and can be referred to as the ...
From ancient history to the modern day, the clitoris has been discredited, dismissed and deleted -- and women's pleasure has often been left out of the conversation entirely. Now, an underground art movement led by artist Sophia Wallace is emerging across the globe to challenge the lies, question the myths and rewrite the rules around sex and the female body.
Don't You Dare Read This, Mrs. Dunphrey is a 1996 young adult novel written by Margaret Peterson Haddix.It tells the story of high school student Tish Bonner through journal entries assigned throughout the year by her English teacher, Mrs. Dunphrey, and follows her as her life slowly begins to spin out of control through familial and social troubles.
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 ...
The visual effect is described as the loss of vision as the brain cuts off the unchanging signal from the eyes. The result is "seeing black", [ citation needed ] an apparent sense of blindness. A flickering ganzfeld causes geometrical patterns and colors to appear, and this is the working principle for mind machines and the dream machine .
The book was known by the nickname "Tante Frieda" [1] or "T.F." [2] A modified form is still in use today by the Federal German Army (Deutsches Heer). [citation needed] The approximate equivalent U.S. Army field-manual was FM 100–5, now re-issued as FM 3–0, Operations (with later revisions) and available for download at the U.S. Army ...