| 词汇 | keratoconus |
| 释义 | keratoconus noun[ U ] medical specializeduk /ˌke.rə.təˈkəʊ.nəs/ us /ˌker.ə.t̬əˈkoʊ.nəs/ an eye problem that changes the shape of the cornea (= the transparent outer covering of the eye) and affects the ability to see normally: 圆锥形角膜 In advanced cases of keratoconus, corneal transplant surgery is required.严重圆锥形角膜需要做角膜移植。 Eyesight, glasses & lenses accommodative afterimage age-related macular degeneration amaurosis amblyopia dispensing optician eyeglasses glaucoma limbus long-sighted long-sightedness macula macula lutea macular ocular oculist ophthalmology wet macular degeneration wraparounds yellow spot Examples of keratoconuskeratoconus The medical sign is characteristic of advanced cases of keratoconus and is caused by the cone-shaped cornea pressing down into the eyelid. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Keratoconus, a progressive thinning of the cornea, is a common corneal disorder. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Vector planning also proved advantageous in patients with keratoconus. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. At early stages, the symptoms of keratoconus may be no different from those of any other refractive defect of the eye. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. He has completed extensive research in the diagnosis and surgical treatment of keratoconus, a debilitating eye condition. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Keratoconus can cause substantial distortion of vision, with multiple images, streaking and sensitivity to light all often reported by the patient. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The classic symptom of keratoconus is the perception of multiple ghost images, known as monocular polyopia. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Today they are mainly used for the treatment of keratoconus. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Patient subjective visual function after corneal collagen crosslinking for keratoconus and corneal ectasia. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Vertical coma is the most common higher-order aberration in the eyes of patients with keratoconus. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Nitrotyrosine is also found in numerous other disease-affected tissues, such as the cornea in keratoconus. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The predominant optical aberration of the eye in keratoconus is the so-called coma. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. A significant risk factor is forme fruste keratoconus, a genetic condition that predisposes the cornea to thinning after surgery. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Instead of seeing just one point, a person with keratoconus sees many images of the point, spread out in a chaotic pattern. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Therefore, keratoconus is a contraindication to refractive surgery. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. See all examples of keratoconus These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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