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Definition of Longsightedness
1. Noun. Abnormal condition in which vision for distant objects is better than for near objects.
Generic synonyms: Ametropia
Specialized synonyms: Farsightedness, Presbyopia
Derivative terms: Farsighted, Hypermetropic, Hypermetropic, Hyperopic, Longsighted
Antonyms: Myopia
Definition of Longsightedness
1. n. The state or condition of being long-sighted; hence, sagacity; shrewdness.
Definition of Longsightedness
1. Noun. farsight; farsightedness; far sight; long sight ¹
¹ Source: wiktionary.com
Definition of Longsightedness
1. [n]
Lexicographical Neighbors of Longsightedness
Literary usage of Longsightedness
Below you will find example usage of this term as found in modern and/or classical literature:
1. Mental Development and Education by Michael Vincent O'Shea (1921)
"The only way to correct longsightedness,— using a convex lens, so as to focus
the rays of light on the retina. — — — FIG. 54. — The astigmatic dial. ..."
2. The Americana: A Universal Reference Library, Comprising the Arts and ...edited by Frederick Converse Beach, George Edwin Rines edited by Frederick Converse Beach, George Edwin Rines (1912)
"This defect arises from derangement of the visual axis, sometimes through muscular
paralysis. In longsightedness or farsightedness (hy- ..."
3. Treatise on Optics by David Brewster, Alexander Dallas Bache (1854)
"On the cause of longsightedness and shortsightedness. ... This detect of sight,
which is called longsightedness, because objects are seen best at a distance ..."
4. Principles of human physiology by William Benjamin Carpenter (1876)
"The ordinary forms of defective vision, which are known under the names oí Myopia
and Hypermetropia, or "shortsightedness" and "longsightedness," are ..."
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