Implantable Contact Lenses

Implantable contact lenses, known as phakic intraocular lenses (IOLs) to ophthalmologists, are presently being investigated and utilized as another refractive procedure. The only phakic IOL presently FDA approved is the Verisyse IOL. In general, phakic IOLs are powerful refractive tools with almost unlimited potential to correct refractive errors (nearsightedness and farsightedness).
The Verisyse IOL is available in powers of -5.0 to -20.0 diopters (D) of power, making it an option for patients with both moderate and severe degrees of myopia. It is not FDA approved for patients with hyperopia. The phakic IOL is unique in that the thin intraocular lens implant is placed in the eye without removing the natural lens of the eye, as is required in cataract surgery. At present, several phakic IOLs are being studied which are implanted both in front of, and just behind, the iris of the eye.
The Verisyse IOL is implanted in front of the iris and, in fact, is actually attached (enclavated) to the peripheral iris. Given that the natural lens of the eye is not removed, the patient retains the natural focusing capability (accommodation) of the eye for near focusing tasks.
Ophthalmologist investigators believe that the Verisyse phakic IOL has already proven to be a powerful addition to the present refractive armamentarium, especially for those individuals whose refractive errors presently fall out of the range for LASIK.
In fact, many refractive surgeons are now considering the Verisyse IOL as the only viable option for patients with myopia above approximately -9.0D.

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