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These come at an additional cost to the recipient beyond what Medicare will pay and each has advantages and disadvantages.
Multifocal IOLs - provide for simultaneous viewing of both distance vision and near vision.
The intraocular lens did not find widespread acceptance in cataract surgery until the 1970s, when further developments in lens design and surgical techniques had come about.
Currently, more than a million IOLs are implanted annually in the United States.
However, other types are available, such as multifocal IOLs which provide the patient with multiple-focused vision at far and reading distance, and adaptive IOLs which provide the patient with limited visual accommodation.
The control group included 25 eyes that were implanted with an Acrysof SA60AT (Alcon, Fort Worth, TX, USA) monofocal IOL.
PMMA and acrylic lenses can also be used with small incisions and are a better choice in people who have a history of uveitis, have diabetic retinopathy requiring vitrectomy with replacement by silicone oil or are at high risk of retinal detachment.
Acrylic is not always an ideal choice due to its added expense.
New FDA-approved multifocal intraocular lens implants allow most post operative cataract patients the advantage of glass-free vision.
These new multifocal lenses are not a covered expense under most insurance plans (In the United States, Medicare decided to stop covering them in May 2005) and can cost the patient upwards of 00 per eye.
They should also visit their ophthalmologists regularly for several months so as to monitor the implants.