astigmatism

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Synonyms for astigmatism

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

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

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References in periodicals archive ?
Incisions made within this funnel will, for all practical purposes, be astigmatically neutral.
e, by coupling effect), while phaco surgery with 3 mm incision is astigmatically neutral.
Frown and chevron incisions lie entirely within the funnel and are astigmatically more stable.
DISCUSSION: Today's cataract incisions provide better control of surgically induced astigmatism, either by using temporal approach to produce astigmatically neutral surgery or by using on axis incision to induce astigmatism at the steep axis to counteract preexisting astigmatism.
Finally, small, temporal, clear corneal incisions are astigmatically neutral and stabilize quickly.