Adjustable lens shows good results, few drawbacks
PARIS, SFO 2010 — The Calhoun Vision Light Adjustable Lens will become a more established practice in the future, according to Michael Assouline, MD, speaking at the meeting of the French society of Ophthalmology.
The IOL is made of a flexible polymer matrix with mobile, photosensitive silicone subunits. Once implanted, the lens is irradiated with a cool beam of near-UV light for power adjustment.
"In terms of accuracy, predictability, cylinder correction and amplitude of accommodation, it is like no other lens, including premium IOLs," he said.
Dr. Assouline started using this technology when he realized that the refractive outcomes of some of his cataract surgery patients were not up to his expectations.
"I use it now for limited indications, mostly in patients who had previous refractive surgery or lamellar keratoplasty, in case of corneal scars, keratoconus and very high hyperopia. Not only because I need to gain more confidence, but also because this technology still has some drawbacks, like the large incision size," he said.
In addition, this kind of implant requires motivation and cooperation from the patient.
"The patient must come back for the locking-in procedure and is seen more often than average. In addition, special protective glasses must be worn for 1 month, and this can be a big disadvantage for patients who are implanted with the LAL in one eye, need correction in the other eye and cannot wear their lenses," he said.
"It is not the most expensive lens, if you think that the cost of other premium lenses ranges between €240 and €800," Dr. Assouline said.
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