HyperDicEnglishASTI ... astigmatism

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Related WikiPedia: astigmatism
English 2 senses of the word astigmatism:
NOUNstateastigmatism, astigmia(ophthalmology) impaired eyesight resulting usually from irregular conformation of the cornea
stateastigmatism, astigmia(optics) defect in an optical system in which light rays from a single point fail to converge in a single focal point
astigmatism pronunciation
Soundsahstih'gmahtih.zahm
Rhymesabolitionism ... zirconium: 557 rhymes with ahm...
Englishastigmatism: 2 senses noun 1, state
Meaning(ophthalmology) impaired eyesight resulting usually from irregular conformation of the cornea; common in nearsighted people.
Synonymastigmia
CategoryophthalmologyThe branch of medicine concerned with the eye and its diseases
NarrowerkeratectasiaAbnormal bulging / bulging of the cornea of the eye
keratoconusAbnormal cone-shaped protrusion of the cornea of the eye
Broaderametropia(ophthalmology) faulty refraction of light rays in the eye as in astigmatism or myopia
Spanishastigmatismo
Catalanastigmatisme
Adjectivesastigmaticof 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
Englishastigmatism: 2 senses noun 2, state
Meaning(optics) defect in an optical system in which light rays from a single point fail to converge in a single focal point.
Synonymastigmia
CategoryopticsThe branch of physics that studies the physical properties of light
Broadercondition, statusA state at a particular time
Oppositestigmatism(optics) condition of an optical system (as a lens) in which light rays from a single point converge in a single focal point
Spanishastigmatismo
Catalanastigmatisme
Adjectivesastigmaticof 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

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