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hypermetropia    
n. 遠視

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hypermetropia
n 1: abnormal condition in which vision for distant objects is
better than for near objects [synonym: {hyperopia},
{hypermetropia}, {hypermetropy}, {farsightedness},
{longsightedness}] [ant: {myopia}, {nearsightedness},
{shortsightedness}]

Hyperopia \Hy`per*o"pi*a\ (h[imac]`p[~e]r*[=o]"p[i^]*[.a]), n.
[NL., fr. Gr. "ype`r over 'w`ps, 'wpo`s, the eye.]
An abnormal condition of the eye in which, through shortness
of the eyeball or fault of the refractive media, the rays of
light come to a focus behind the retina, making vision for
distant objects better than for near objects; farsightedness;
-- called also {hypermetropia}. Cf. {Emmetropia}. --
{Hy`per*op"tic}, a.

Syn: hypermetropia, farsightedness, longsightedness.
[1913 Webster]


Hypermetropia \Hy`per*me*tro"pi*a\, Hypermetropy
\Hy`per*met"ro*py\, n. [NL. hypermetropia, fr. Gr. ? excessive
?, ?, the eye. See {Hypermeter}.]
An abnormal condition of the eye in which, through shortness
of the eyeball or fault of the refractive media, the rays of
light come to a focus behind the retina, making vision for
distant objects better than for near objects; farsightedness;
-- now most commonly called {hyperopia}. Cf. {Emmetropia}.
[Obsolescent]

Syn: hyperopia, farsightedness, longsightedness.
[1913 Webster]

Note: In hypermetropia, vision for distant objects, although
not better absolutely, is better than that for near
objects, and hence, the individual is said to be
farsighted. It is corrected by the use of convex
glasses. -- {Hy`per*me*trop"ic}, a.
[1913 Webster]

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英文字典中文字典相關資料:
  • Hypermetropia (Long-Sightedness): Symptoms, and Treatment
    What is hypermetropia? Hypermetropia (long-sightedness) is a refractive error and occurs when light from near objects is not quite brought to focus in time to hit the retina
  • Hypermetropia: Causes, Symptoms, and Treatment - Visionworks
    What is hypermetropia? How does it differ from hyperopia or farsightedness? Learn its definition, causes and treatments from the experts at Visionworks
  • Hyperopia (Farsightedness): Symptoms, Causes Treatment
    Hyperopia (farsightedness) is an eye condition that causes blurry vision when looking at things close up (like words in a book) You may also have headaches or eye strain Eyeglasses, contact lenses and surgery can correct your vision and ease your discomfort An eye care provider will help you decide what’s best for your needs
  • Hyperopia (Hypermetropia): What Is Farsightedness? - All About Vision
    Hyperopia is a type of refractive error, which means the light doesn’t refract (bend) correctly When someone is farsighted, light focuses behind the retina instead of right on it This can make near objects look blurry, while distant ones often look clearer
  • Hypermetropia: Causes, Symptoms, and Treatments - Laxmi Eye Hospital
    Understanding hypermetropia —its causes, symptoms, and treatment options—is essential for maintaining healthy eyesight and preventing complications such as eye strain or headaches In this comprehensive guide, we will explore everything you need to know about hypermetropia and how it can be managed effectively What is Hypermetropia?
  • Farsightedness - Wikipedia
    Far-sightedness, also known as long-sightedness, hypermetropia, and hyperopia, is a condition of the eye where distant objects are seen clearly but near objects appear blurred
  • Farsightedness - Symptoms and causes - Mayo Clinic
    Farsightedness, also called hyperopia, is a common vision condition in which distant objects are clear, but close objects look blurry People with extreme farsightedness may only be able to clearly see distant objects Those with mild farsightedness may be able to clearly see closer objects
  • What Is Hypermetropia? Causes, Symptoms Treatment
    Hypermetropia makes close objects blurry Learn what causes it, how it differs from other vision issues, and the treatment options available
  • What is Hypermetropia (Long-sightedness)? Causes, Symptoms and . . .
    If so, you might be experiencing hypermetropia, also known as long-sightedness In this article, we’ll explore the causes, symptoms, and treatment options for hypermetropia, giving you the knowledge you need to understand and manage this condition
  • Hyperopia - EyeWiki
    Hyperopia is also known as “farsightedness” or “hypermetropia” It is an ocular condition in which the refracting power of the eye causes light rays entering the eye to have a focal point that is posterior to the retina while accommodation is maintained in a state of relaxation





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