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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
    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
  • Emmetropia Ametropia: What Is the Difference? - NVISION
    Ametropia refers to the broad condition of having some form of refractive error present in your eye Common forms of ametropia include myopia, hyperopia, and astigmatism, which can often be corrected with prescription lenses
  • What is Ametropia? - News-Medical. net
    Ametropia refers to a group of visual disorders caused by errors in the refractive power of the eye In a normal eye (emmetropic eye), light rays focus directly on the retina, whereas in
  • 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)
  • Spectacle Correction of Ametropias - StatPearls - NCBI Bookshelf
    Ametropia refers to any refractive condition that results in the image of an object not correctly focused on the retina Spectacles lenses are the most common devices used in the correction of ametropias
  • 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
  • Ametropia | definition of ametropia by Medical dictionary
    ametropia Any deviation, in the relaxed focus of the eye, from the normal state in which distant objects form sharp and clear images on the RETINA Ametropia may take the form of HYPERMETROPIA, MYOPIA or the meridional visual defect ASTIGMATISM The state of normal refraction is called emmetropia
  • Emmetropia vs. Ametropia (Definition Comparison)
    If a person has emmetropic eyes, light rays entering the eye from a distance are directly focused on the retina, resulting in normal vision (emmetropia), otherwise, they will have ametropia
  • Refractive Errors - National Eye Institute
    Refractive errors are a type of vision problem that make it hard to see clearly They happen when the shape of your eye keeps light from focusing correctly on your retina Read about the types of refractive errors, their symptoms and causes, and how they are diagnosed and treated
  • 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





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