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Premium IOLs contraindicated for some patients
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CHICAGO — Presbyopia-correcting IOLs are inappropriate in certain eyes because of potential long-term complications and diminished refractive outcomes, a researcher said here.
 Uday Devgan |
For instance, diabetic retinopathy and macular degeneration may limit the effectiveness of a multifocal IOL, Uday Devgan, MD, said during Refractive Subspecialty Day preceding the joint meeting of the American Academy of Ophthalmology and Middle East Africa Council of Ophthalmology.
Glaucomatous eyes also present a challenge for lens implantation, as diminished contrast sensitivity can limit postop quality of vision. At the front of the eye, pre-existing keratoconus and dry eye syndrome can hinder visual outcomes of multifocal IOLs, he said.
Pre-existing ocular pathology may also negate the positive properties of accommodative lenses, according to Dr. Devgan. Because premium lenses rely on natural accommodative biomechanics, zonular weakness and pseudoexfoliation may lead to lens laxity and disclocation, Dr. Devgan said.