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ametropia    
n. 屈折异常,非正视眼

屈折异常,非正视眼

ametropia
n 1: (ophthalmology) faulty refraction of light rays in the eye
as in astigmatism or myopia


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  • What Is Ametropia? And How Is It Treated? - All About Vision
    What is ametropia? Ametropia is the medical term for the presence of refractive error in the eyes It occurs when the eye is not able to focus light rays from an object directly onto the retina to provide a clear image Ametropia includes refractive error due to myopia, hyperopia and astigmatism
  • Ametropia: Causes, Symptoms, and Treatment Options Explained
    What are the common types of ametropia? Common types of ametropia include myopia (nearsightedness), hyperopia (farsightedness), astigmatism, and presbyopia Why is it important to recognize ametropia? Recognizing ametropia is essential for understanding its symptoms and exploring effective treatment options
  • Ametropia | Myopia, Hypermetropia, Astigmatism | Geeky Medics
    Ametropia is an umbrella term for visual disorders caused by abnormalities in the refractive power of the eye leading to blurred vision The main components of refraction are the cornea, lens and axial length (anterior-posterior length of the eye)
  • What is Ametropia? - News-Medical. net
    In a normal eye (emmetropic eye), light rays focus directly on the retina, whereas in ametropia, the light rays are not able to do so As a result, the vision becomes blurred
  • AMETROPIA Definition Meaning - Merriam-Webster
    The meaning of AMETROPIA is an abnormal refractive condition (such as myopia, hyperopia, or astigmatism) of the eye in which images fail to focus upon the retina
  • What Are The Types Of Ametropia? - Mi Mundo Visual
    Ametropia is measured in diopters and is an abnormality in the eye’s refraction in which the image appears in front of or behind the retina or in which multiple focal points are created There are different types of Ametropia, including myopia, farsightedness, and astigmatism, which can be combined
  • Ametropia | definition of ametropia by Medical dictionary
    ametropia Anomaly of the refractive state of the eye in which, with relaxed accommodation, the image of objects at infinity is not formed on the retina Thus vision may be blurred The ametropias are: astigmatism, hyperopia (hypermetropia) and myopia The absence of ametropia is called emmetropia
  • Emmetropia vs. ametropia - An Eye Care Blog
    Emmetropia vs ametropia (refractive errors) When light enters an emmetropic eye, an image focuses perfectly on the retina This is unlike Ammetropia which means eyes with refractive error
  • Ametropia: Symptoms, Treatment, Degrees, Types, Diagnosis
    Ametropia is a violation of refraction of the eyeball, in which refracted light rays are focused not on the retina (as it should be normal), but behind or in front of it
  • Anatomy Refractive States. Identifying Ametropia with the Optical Cross
    Ametropia refers to a refractive error where light does not focus correctly on the retina due to a mismatch between the eye’s refractive power and its axial length





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