Astigmatism

[A*stigĀ·ma*tism]

The eye has a cornea a clear, curved layer that protects it. If the cornea's shape is irregular, astigmatism results. People who have astigmatism see images as distorted, so they need to wear glasses or contact lenses.

...

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 indistictness of vision.

Noun
(optics) defect in an optical system in which light rays from a single point fail to converge in a single focal point

Noun
(ophthalmology) impaired eyesight resulting usually from irregular conformation of the cornea


n.
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.


Astigmatism

A*stig"ma*tism , n. [Gr. priv. + , , a prick of a pointed instrument, a spot, fr. to prick: cf. F. astigmatisme.] (Med. & Opt.) 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 indistictness of vision. &hand; The term is applied especially to the defect causing images of lines having a certain direction to be indistinct, or imperfectly seen, while those of lines transverse to the former are distinct, or clearly seen.

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 indistictness of vision.

...

Usage Examples
Misspelled Form

Astigmatism, Astigmatism, stigmatism, Astigmatism, Aastigmatism, Awstigmatism, Aestigmatism, Adstigmatism, Axstigmatism, Azstigmatism, Aatigmatism, Awtigmatism, Aetigmatism, Adtigmatism, Axtigmatism, Aztigmatism, Asatigmatism, Aswtigmatism, Asetigmatism, Asdtigmatism, Asxtigmatism, Asztigmatism, Asrtigmatism, As5tigmatism, As6tigmatism, Asytigmatism, Asgtigmatism, Asrigmatism, As5igmatism, As6igmatism, Asyigmatism, Asgigmatism, Astrigmatism, Ast5igmatism, Ast6igmatism, Astyigmatism, Astgigmatism, Astuigmatism, Ast8igmatism, Ast9igmatism, Astoigmatism, Astjigmatism, Astkigmatism, Astugmatism, Ast8gmatism, Ast9gmatism, Astogmatism, Astjgmatism, Astkgmatism, Astiugmatism, Asti8gmatism, Asti9gmatism, Astiogmatism, Astijgmatism, Astikgmatism, Astifgmatism, Astitgmatism, Astiygmatism, Astihgmatism, Astibgmatism, Astivgmatism, Astifmatism, Astitmatism, Astiymatism, Astihmatism, Astibmatism, Astivmatism, Astigfmatism, Astigtmatism, Astigymatism, Astighmatism, Astigbmatism, Astigvmatism, Astignmatism, Astigjmatism, Astigkmatism, Astig,matism, Astig matism, Astignatism, Astigjatism, Astigkatism, Astig,atism, Astig atism, Astigmnatism, Astigmjatism, Astigmkatism, Astigm,atism, Astigm atism, Astigmqatism, Astigmwatism, Astigmsatism, Astigmzatism, Astigmqtism, Astigmwtism, Astigmstism, Astigmztism, Astigmaqtism, Astigmawtism, Astigmastism, Astigmaztism, Astigmartism, Astigma5tism, Astigma6tism, Astigmaytism, Astigmagtism, Astigmarism, Astigma5ism, Astigma6ism, Astigmayism, Astigmagism, Astigmatrism, Astigmat5ism, Astigmat6ism, Astigmatyism, Astigmatgism, Astigmatuism, Astigmat8ism, Astigmat9ism, Astigmatoism, Astigmatjism, Astigmatkism, Astigmatusm, Astigmat8sm, Astigmat9sm, Astigmatosm, Astigmatjsm, Astigmatksm, Astigmatiusm, Astigmati8sm, Astigmati9sm, Astigmatiosm, Astigmatijsm, Astigmatiksm, Astigmatiasm, Astigmatiwsm, Astigmatiesm, Astigmatidsm, Astigmatixsm, Astigmatizsm, Astigmatiam, Astigmatiwm, Astigmatiem, Astigmatidm, Astigmatixm, Astigmatizm, Astigmatisam, Astigmatiswm, Astigmatisem, Astigmatisdm, Astigmatisxm, Astigmatiszm, Astigmatisnm, Astigmatisjm, Astigmatiskm, Astigmatis,m, Astigmatis m, Astigmatisn, Astigmatisj, Astigmatisk, Astigmatis,, Astigmatis , Astigmatismn, Astigmatismj, Astigmatismk, Astigmatism,, Astigmatism .