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The Vision Practice specialises in refractive lens exchange, which is one of the fastest growing areas of eye surgery for vision correction. The operation is similar to a cataract operation and therefore benefits from all of the technological advances and very high success rates associated with this type of surgery. In a refractive lens exchange procedure, the natural lens of the eye is replaced with an intraocular lens implant whose optics are specifically designed to address your personal visual requirements. The operation is particularly suited to the over fifty age group, where the ability of the eye’s natural lens to change its focus has been lost.

Refractive lens exchange procedures can address long sight, short sight, astigmatism and presbyopia (the need to wear reading glasses after the age of approximately forty five). The procedure is particularly suitable for those in whom laser refractive surgery would be inappropriate or unwise. Relatively high long sight prescriptions cannot be addressed by laser but can be treated with refractive lens exchange. Similarly, higher short sight prescriptions above the limit where laser is effective, can be treated with a refractive lens exchange procedure. Refractive lens exchange can reliably treat higher astigmatism using Toric astigmatic implants and can also be used to deliver spectacle free distance and near vision, using multifocal intraocular lenses.

Laser refractive surgery is inappropriate if there is any evidence of cloudiness of the natural lens (the early stages of cataract). Refractive lens exchange is a better choice in these cases.

Refractive lens exchange can have secondary benefits in later life. Laser refractive surgery can make the mathematical calculations for subsequent cataract surgery difficult and unreliable whereas following a refractive lens exchange, it is impossible for a cataract to develop in your lifetime. In high long sight, there can be an increased risk of developing a particular form of glaucoma in later life. Following a refractive lens exchange, this risk is eliminated. Finally, a refractive lens exchange procedure can be effective in stabilising the prescription of the eye, particularly in our later years. Changes in the natural lens tend to increase short sight in later life, a process which is eliminated following a refractive lens exchange procedure.

 
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  Specialist cataract surgery & refractive lens exchange procedures | John Greenwood Consultant ophthalmic surgeon | © 2012 The Vision Practice. All Rights Reserved.