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Noun1.keratectasia - abnormal bulging of the cornea of the eye
astigmatism, astigmia - (ophthalmology) impaired eyesight resulting usually from irregular conformation of the cornea; common in nearsighted people
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Corneal hysteresis and corneal resistance factor in keratoectasia: findings using the Reichert ocular response analyzer.
Keratoconus and keratoectasia; prevention, diagnosis, and treatment.
(20) This identification is especially important in preoperative screening for laser refractive surgery, because undetected corneal ectatic disorders can result in accelerated, progressive keratoectasia and unpredictable outcomes after LASIK and photorefractive keratectomy.