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astigmatic    
a. 乱视的;散光的

乱视的;散光的

astigmatic
adj 1: of or relating to a defect in the eye or in a lens caused
by a deviation from spherical curvature which prevents
light rays from meeting at a common focus and so results
in distorted images [ant: {anastigmatic}, {stigmatic}]


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英文字典中文字典相关资料:


  • Astigmatism - Wikipedia
    Astigmatism is a type of refractive error due to rotational asymmetry in the eye's refractive power The lens and cornea of an eye without astigmatism are nearly spherical, with only a single radius of curvature, and any refractive errors present can be corrected with simple glasses
  • Astigmatism - Symptoms causes - Mayo Clinic
    Astigmatism is a type of refractive error caused when either the cornea or the lens has mismatched curves This makes vision blurry because there are two image points Astigmatism may occur in combination with other refractive errors, which include: Nearsightedness (myopia)
  • Astigmatism: Causes, Symptoms, Diagnosis, and Treatment - WebMD
    Astigmatism is fairly easy for an eye doctor to fix with glasses, contacts, or surgery Symptoms of astigmatism may include: Is astigmatism genetic? Experts think the condition is genetic,
  • Astigmatism - American Academy of Ophthalmology
    Astigmatism is caused by a cornea or lens that has a different shape than normal Astigmatism is very common Doctors don't know why the shape of the cornea or lens varies from person to person But they do know the risk of getting astigmatism is inherited (passed down from parents)
  • Astigmatism: Symptoms, Tests Treatment - Cleveland Clinic
    Astigmatism is a common type of refractive error It means that some part of your eye (either the cornea or lens) is more curved than it should be This altered eye shape makes your vision blurry Most cases of astigmatism can be treated with corrective lenses like eyeglasses or contact lenses
  • Astigmatism - National Eye Institute
    Learn about the symptoms, causes, diagnosis, and treatment of astigmatism
  • ASTIGMATIC Definition Meaning - Merriam-Webster
    The meaning of ASTIGMATIC is affected with, relating to, or correcting astigmatism How to use astigmatic in a sentence
  • Comprehensive Guide on Astigmatism Its Treatment
    Astigmatism is a common vision condition that affects how the eye focuses light, leading to blurred or distorted vision at any distance It occurs when the cornea, the clear front surface of the eye, is irregularly shaped
  • Astigmatism: Eye Changes, Testing, and Correction
    In astigmatism, the cornea (the clear dome that covers your eye) or the lens (which focuses light rays on the light-sensitive retina) is abnormally shaped Wearing contact lenses or glasses that refocus light rays where they should be can enable you to see as clearly as possible
  • Astigmatism Glasses, Lens, Vision Test, Causes, Treatment
    In an eye with astigmatism, vision is blurred due to the inability of the optical elements of the eye to focus a point object into a sharply focused point image on the retina





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