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Most people who have radial keratotomy (RK) surgery gradually become more farsighted for at least 8 to 10 years after surgery. This is called the hyperopic shift. It is not clear what causes the shift, how long it may continue, or how significant it may become.
The effect of the hyperopic shift depends on the person's age and whether the person is nearsighted or farsighted after the surgery:
|Primary Medical Reviewer||Kathleen Romito, MD - Family Medicine|
|Specialist Medical Reviewer||Christopher J. Rudnisky, MD, MPH, FRCSC - Ophthalmology|
|Last Revised||June 11, 2013|
Last Revised: June 11, 2013
Author: Healthwise Staff
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