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farsightedness    音标拼音: [f,ɑrs'ɑɪtɪdnəs]
n. 远视眼

远视眼

farsightedness
n 1: a reduced ability to focus on near objects caused by loss
of elasticity of the crystalline lens after age 45 [synonym:
{presbyopia}, {farsightedness}]
2: abnormal condition in which vision for distant objects is
better than for near objects [synonym: {hyperopia},
{hypermetropia}, {hypermetropy}, {farsightedness},
{longsightedness}] [ant: {myopia}, {nearsightedness},
{shortsightedness}]
3: seeing ahead; knowing in advance; foreseeing [synonym:
{prevision}, {foresight}, {farsightedness}, {prospicience}]


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  • 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
  • Hyperopia (Farsightedness): Symptoms, Causes Treatment
    Hyperopia (farsightedness) is a common eye condition that may cause blurry close-up vision You can correct it with glasses, contact lenses or surgery
  • Farsightedness - Wikipedia
    Farsightedness 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: What Is Hyperopia? - American Academy of Ophthalmology
    Farsightedness is an eye focusing disorder, not an eye disease What causes farsightedness? To see clearly, light rays first travel through the cornea and lens at the front of the eye Both help focus light so it lands directly on the retina, in the back of the eye
  • Farsightedness (Hyperopia) - National Eye Institute
    Farsightedness — or hyperopia — is an eye condition that makes nearby objects look blurry Read about what causes farsightedness and how it can be diagnosed and treated
  • Hyperopia (Farsightedness): Symptoms, Causes, Diagnosis, and . . . - WebMD
    Hyperopia (farsightedness) is when you see things that are far away better than things that are close Learn more about the causes, symptoms, diagnosis, treatment, and complications of
  • Hyperopia (Hypermetropia): What Is Farsightedness? - All About Vision
    Hyperopia (farsightedness) makes it harder to see up close Find out what causes it, how it’s diagnosed and how an eye doctor can help you see clearly
  • How To Tell If You Are Nearsighted or Farsighted | 1-800-GET-LENS
    How Glasses Correct Nearsightedness and Farsightedness Glasses work by placing a corrective lens in front of the eye to redirect light before it enters For myopia, glasses use concave lenses that spread light slightly outward, shifting the focal point back onto the retina For hyperopia, convex lenses bend light inward to move the focal point forward so it lands where it should
  • 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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