Frequently Asked Questions About Phakic IOL

Safety

Q Is there pain during phakic IOL surgery? What about after phakic IOL surgery?
A During the surgical procedure, patients are under anesthesia and feel virtually no pain. Patients may, however, experience some discomfort from the eye being opened widely, touched and pressed against. Once the anesthesia dissipates after the surgery, some patients may feel a slight pain or a foreign-body sensation. Although the pain varies from one person to the other, it rarely reaches a level that would cause concern.

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Q What are the potential complications?
A Phakic IOL surgery is basically a safe surgical procedure, like cataract surgeries. Immediately following the surgery, you may temporarily experience some minor pain, foreign-body sensation or stinging sensation, which will disappear within a few days. Additionally, sub-conjunctival hemorrhage (bleeding of the white of the eye) or blurriness may last for up to two weeks to one month. There may also be elevated intraocular pressure and dislocation of the lens. Rare complications include cell adherence to the lens and glare at night.

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Q Is there any risk of infection?
A To allow the insertion of the phakic IOL, an incision is made. Because bacteria may enter through the wound before it fully closes and cause infections, patients should be careful not to touch the eye with unsanitary hands. Patients should also administer the prescribed antibiotics as instructed to prevent any infection.

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Q Will the phakic IOL move or become dislocated?
A Unless the eyes are struck with a powerful force, lenses rarely become dislocated during normal daily routines. Another surgery would be required to reset a dislocated lens. Please contact our clinic if you experienced any sudden change in vision.

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Q Could the phakic IOL break in the eye?
A Even forcefully rubbing the eye will not damage the lens. Although a powerful impact to the eye can damage the lens, no such damage has ever been reported.

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Q Will the phakic IOL become cloudy? Is any maintenance required?
A The lens will not become cloudy because it does not come in contact with the ambient air. The lens is implanted at a site where aqueous humor circulates to carry away any deposits. Therefore, no maintenance is required.

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Q Is it alright to leave the phakic IOL in the eye for the rest of a patient’s life?
A There is no problem because phakic IOLs are made of the same long-lasting and biocompatible material as used in the IOLs for cataract surgeries.

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Q Will there be any problems after 10 or 20 years?
A Phakic IOLs are safe lenses that have been used in Europe since 1986 and approved, following a large number of clinical trials, in September 2004 in the U.S. by the FDA, a regulatory authority equivalent to the Japanese Ministry of Health, Labor and Welfare. Minamiaoyama Eye Clinic has nearly 10 years of track record on these lenses. Although this is not enough to draw a conclusion on the 20-year durability, there is a low possibility of problems occurring.

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