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Keratoplasty
(redirected from lamellar keratoplasty)

   Also found in: Dictionary/thesaurus, Medical 0.01 sec.
keratoplasty [′ker·əd·ō‚plas·tē]
(medicine)
A plastic operation on the cornea, especially the transplantation of a portion of the cornea.

Keratoplasty 

an operation involving corneal grafting.

It is performed when there are persistent opacities (leukomas) of the cornea that cause a severe decrease in vision, in order to partially or completely restore vision. Sometimes keratoplasty is resorted to also for cosmetic reasons. In keratoplasty the altered cornea is excised and in its place a disk of similar shape and size is grafted that is taken from the cornea of a person whose eye was removed for other reasons.



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After a review of the general anatomy of the cornea and a historical perspective, sections cover anterior and posterior surgical techniques for lamellar keratoplasty, transitions from optical to tectonic and therapeutic lamellar keratoplasty, lamellar keratoplasty for infants and children, lamellar keratoplasty techniques that may help patients with refractive surgery-related complications, the amniotic membrane in lamellar keratoplasty, and lamellar keratoplasty in artificial cornea.
Radial Keratotomy (RK), Astigmatic Keratotomy (AK), and Automated Lamellar Keratoplasty (ALK), are commonly performed procedures selected by people who want to be less dependent on glasses or contact lenses for the correction or improvement of myopia (nearsightedness), hyperopia (farsightedness), and astigmatism.
For the more cautious patient, other doctors offer a similar, but already FDA-approved, procedure called Automated Lamellar Keratoplasty (ALK), which is the forerunner to LASIK.
 
 
 
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