Phakic IOLS
A Phakic Intraocular Lens (IOL) is a type of artificial lens implanted into the eye to correct vision, typically for patients with high levels of near-sightedness (myopia), farsightedness (hyperopia), or astigmatism.
Unlike traditional Intraocular Lenses (IOLs), which are implanted after removing the eye’s natural lens (such as in cataract surgery), Phakic IOLs are placed in the eye without removing the natural lens.
Phakic IOLs are designed to correct refractive errors in patients who are not suitable candidates for other Laser Vision Correction procedures like SMILE® Pro, PresbyLASIK, LASIK or PRK, often due to having very thin corneas or severe refractive errors.
About the procedure
The procedure is typically quick, performed under local anaesthesia, and is day surgery. A small incision is made in the eye, and the Phakic IOL is carefully inserted in either the anterior or posterior chamber of the eye, depending on the type of lens used. The incision is usually self-sealing, and stitches are often not required.
Types of Phakic IOLs
There are two types of Phakic IOLs:
- Anterior Chamber IOLs are placed in the space between the cornea and the iris (the coloured part of the eye).
- Posterior Chamber IOLs are placed behind the iris but in front of the natural lens.
Benefit of Phakic IOLs
- Phakic IOLs offer clear vision and excellent visual outcomes for people with high refractive errors who are not suitable for other Laser Vision Correction procedures.
- Phakic IOLs can be removed or replaced if necessary, providing a reversible option.
- The natural lens of the eye is left in place, which is important for maintaining the eye’s ability to accommodate (adjust focus between near and far objects) in younger patients.
- Recovery from Phakic IOL surgery is typically quick, with many patients experiencing improved vision within days.
Risks and complications
As with any surgery, Phakic IOL implantation carries some risks, including:
- Infection
- Increased intraocular pressure (glaucoma)
- Cataract formation
- Endothelial cell loss (which could affect corneal health over time)
- Halos and glare around lights
Patients are advised to avoid strenuous activities, rubbing their eyes, or exposing the eyes to dirty environments during the healing process. Regular follow-up appointments are necessary to monitor healing and ensure the lens remains in the correct position.
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