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Radial keratotomy (RK) is a refractive surgical procedure to correct myopia (nearsightedness). It was developed in 1974 by Svyatoslav Fyodorov , a Russian ophthalmologist . It has been largely supplanted by newer, more accurate operations, such as photorefractive keratectomy , LASIK , Epi-LASIK and the phakic intraocular lens .
Tsutomu Sato (1902 – June 9, 1960) was a Japanese ophthalmologist who performed an early version of the radial keratotomy and was the first professor at the Research Institute of Ophthalmology at Juntendo University School of Medicine.
As with other forms of refractive surgery, keratoconjunctivitis sicca, colloquially referred to as 'dry eye,' is the most common complication of PRK, and can be permanent. In more advanced cases, recurrent erosions occur during sleeping from adherence of the corneal epithelium to the upper eyelid with rapid eye movement .
In 1974 a refractive procedure called Radial Keratotomy (RK) was developed in the USSR by Svyatoslav Fyodorov and later introduced to the United States. RK involves making a number of cuts in the cornea to change its shape and correct refractive errors. The incisions are made with a diamond knife. Following the introduction of RK, doctors ...
Astigmatic keratotomy, arcuate keratotomy, or transverse keratotomy [clarification needed] Radial keratotomy; Hexagonal keratotomy [clarification needed] Epikeratophakia is the removal of the corneal epithelium and replacement with a lathe-cut corneal button. [15] Intracorneal rings or corneal ring segments [clarification needed] Implantable ...
Radial keratotomy is a refractive surgery procedure where the surgeon makes a spoke-like pattern of incisions into the cornea to modify its shape. This early surgical option for myopia has been largely superseded by LASIK and other similar procedures.
Late postoperative complications – A large body of evidence on the chances of long-term complications is not yet established and may be changing due to advances in operator experience, instruments and techniques. [66] [67] [68] [52] Potential best vision loss may occur a year after the surgery regardless of the use of eyewear. [69]
used to perform microincisions on the cornea in the Radial keratotomy and Mini Asymmetric Radial Keratotomy (M.A.R.K.) •Epilation forceps (Cilia forceps) stout flat-ended blunt forceps with a thickened end to remove eyelashes •Entropion forceps