keratotomy


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Related to keratotomy: keratectomy, astigmatic keratotomy

keratotomy

 [ker″ah-tot´ah-me]
incision of the cornea.
radial keratotomy an operation in which a series of incisions is made in the cornea from its outer edge toward its center in a spokelike fashion; done to flatten the cornea and thus to correct myopia.
Radial keratotomy. A, Before procedure. B, Incisions are made from the center to the periphery. C, The corneal contour is flattened.

ker·a·tot·o·my

(ker'ă-tot'ŏ-mē),
1. Any incision through the cornea.
2. An operation making a partial thickness incision into the cornea to flatten it and reduce its refractive power in that meridian.
[kerato- + G. tomē, incision]

keratotomy

(kĕr′ə-tŏt′ə-mē)
n. pl. keratoto·mies
Surgical incision of the cornea.

keratotomy

A surgical incision in the cornea. See Radial keratotomy.

ker·a·tot·o·my

(ker'ă-tot'ŏ-mē)
1. Any incision through the cornea.
2. An operation making a partial thickness incision into the cornea to flatten it and reduce its refractive power in that meridian.
[kerato- + G. tomē, incision]

keratotomy

Any surgical cut (incision) into the cornea. Radial keratotomy is an operation purporting to reduce short-sight (MYOPIA) by inducing scarring to flatted the cornea. Eight or more deep radial cuts are made. The operation is of dubious propriety and is being replaced by less crude methods.
References in periodicals archive ?
As for why radial keratotomy isn't practiced anymore, Nejat explained that the procedure has several possible complications.
A 27-gauge hypodermic needle was then used to perform a grid keratotomy under surgical magnification, taking great care to monitor each needle pass for depth because of the relatively thin appearance of the cornea during slit-lamp examination.
In that study it was postulated that the corneal damage, due to endothelial decompensation many years after RK, was caused by the long term damage arising from the corneal incisions (Sato's anterior-posterior radial keratotomy) in combination with endothelial losses due to aging [6].
Correction of postkeratoplasty astigmatism by femtosecond laser compared with mechanized astigmatic keratotomy. Am J Ophthalmol.
(3.) Salz JJ: Radial Keratotomy versus photorefractive keratectomy: Color atlas text of Excimer Laser Surgery: The Cornea: Newyork, Igako-Shoin; 1993: 63-75.
Severe hyperopic shift and irregular astigmatism after radial keratotomy. Eye.
The accompanying CD-ROM is particularly valuable and includes video of post-LASIK iatrogenic keratectasia, flap complications, bimanual phacoemulsification, phakic IOL, hyperopic shifts after radial keratotomy and cataract after radial keratotomy.
She doesn't remember now which one it was, but the likely technique at that time was one of the first, radial keratotomy. RK is not used often anymore, but the procedure involves incisions made with a diamond blade in a spoke-like, circular pattern in the cornea.
* After her botched radial keratotomy surgery, Mrs.
Although there is no revenue ruling concerning the deductibility of laser eye surgery, the IRS did issue a letter ruling (9625049) addressing whether radial keratotomy (RK)--a predecessor of laser eye surgery--was deductible under section 213.
As evidence of what market forces conceivably could do for medical costs, he points to the price of the radial keratotomy procedure to improve vision.
ISSUE: Who among us has not heard or seen ophthalmologists' advertisements regarding radial keratotomy? In this interesting Connecticut case, one individual responded to an ophthalmologist who advertised and provided radial keratotomy.