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Word | Astigmatism |
(ophthalmology) impaired eyesight resulting usually from irregular conformation of the cornea / A defect of the eye or of a lens, in consequence of which the rays derived from one point are not brought to a single focal point, thus causing imperfect images or indistinctness of vision. / eye defect that prevents proper focus / a defect in the eye or in a lens caused by a deviation from spherical curvature, which results in distorted images, as light rays are prevented from meeting at a common focus. / medical : a problem with the eye that prevents a person from seeing clearly, | |
Usage | ⇒ As soon as his parents discovered that the boy suffered from astigmatism, they took him to t he optometrist for corrective glasses. ⇒ Whether myopia, hyperopia or astigmatism is present, surgical correction attempts to redirect light rays to accommodate the refractive error. |
Synonyms | astigmia, astigmatic, blindness, dim-sightedness, albinism, eye defect, farsightedness, myopia, nearsightedness, purblindness, shortsightedness, Astigmatism (eye), aspect, astigmatic refractive error, caste, cataract, circumstance, circumstances, clause, condition, |
Antonyms | stigmatism, condition, desperation, difficulty, dignity, discomfort, dishabille, disorderliness, disposition, distinction, dominance, dryness, emplacement, emptiness, encapsulation, ennoblement, environment, erection, fig, guiltiness, |
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