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New IOLs, delivery systems allow smaller incision sizes, easier implantation
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New IOL delivery systems allow surgeons to use smaller incisions, but they require accurate loading to avoid damaging the IOL, according to Douglas Katsev, MD.
Dr. Katsev is scheduled to present an overview of old and new IOLs and delivery systems at Hawaii 2005, the Royal Eye Hawaiian Meeting, to be held Jan. 16-21 on the island of Hawaii.
Many IOLs now have square posterior edges, which studies have shown to be associated with decreased posterior capsular opacification, he said.
In patients in whom IOL calculation is difficult, especially those who have undergone radial keratotomy, those with high myopia or hyperopia, or those slated for monovision correction, Dr. Katsev said he prefers to use a silicone IOL because they are easily removed without enlarging the incision.
In the event of IOL damage, Dr. Katsev suggested removing the IOL by cutting three-quarters of the optic and rotating it out. The surgeon should avoid enlarging the incision if possible, he said.