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Eye Health Center

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Nearsightedness: Overcorrection After Surgery - Topic Overview

Overcorrection makes an eye that was nearsighted before surgery farsighted (hyperopia) after surgery. Overcorrection speeds up the start of presbyopia. Most people who have overcorrection will need reading glasses around age 40. Improvements in surgical techniques are reducing the risk of overcorrection.

Surgery to correct overcorrection is possible. But it is hard to predict how well it will work.

Recommended Related to Eye Health

Halos and Glare

Light is crucial for our vision. We see objects around us when light bounces off them and enters our eyes. But sometimes, light can be the cause of vision problems when it causes halos or glare. Halos are bright circles that appear to surround a source of light, such as oncoming car headlights. Glare is light that enters your eye but doesn't help you see better. Rather, it interferes with your vision. Glare can be: Uncomfortable. When you're trying to see in the presence of a too-bright...

Read the Halos and Glare article > >

With radial keratotomy (RK) surgery, the number of people who are overcorrected or farsighted seems to increase as more time (years) passes after the procedure. These changes over time are believed to be caused by the hyperopic shift. The hyperopic shift is less common in people who have had laser surgery.

WebMD Medical Reference from Healthwise

Last Updated: September 09, 2014
This information is not intended to replace the advice of a doctor. Healthwise disclaims any liability for the decisions you make based on this information.
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