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Refractive lens exchange surgery

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Understanding refractive lens exchange surgery

Many people with a weakness or deficiency in their eyes are able to adequately improve the quality of their vision through the use of glasses or contact lenses, or by choosing to have laser eye treatment if appropriate.

Glasses, contact lenses and laser eye treatment all have their own specific advantages in helping to correct vision, but they also have their limitations:

  • Glasses can be expensive and may be impractical for certain activities such as contact sports,
  • Contact lenses are often a better choice for an active lifestyle, but not being able to wear them when swimming or sleeping can be challenging, 
  • Laser eye surgery can be an inappropriate option for people with a very high eye prescription or a severe case of astigmatism. 

To help correct your vision, you may be advised by a specialist eye doctor (ophthalmologist) to undergo eye surgery. Surgery to improve your eyesight is known as ‘vision correction’ or ‘refractive surgery’, and there are two main types of lens surgery; phakic intraocular lens (PIOL) implantation and refractive lens exchange (RLE) surgery.

This page explains RLE surgery but if you would like to learn about PIOL implantation at St Joseph’s Hospital please click here.

What is refractive lens exchange surgery?

RLE is a surgical procedure to correct vision by removing the natural lens and replacing it with an artificial lens. RLE surgery is the same as cataract surgery, although RLE surgery is carried out to reduce or remove the need for glasses or contact lenses instead of to treat cataracts.

RLE surgery is the primary method of vision correction surgery in people aged over 65.

There are a few different types of lens implant that can be used for RLE surgery and your surgeon will discuss which one is best for you during your consultation.  

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