When the natural lens is removed, much of the eye’s focusing ability is lost. To restore vision, lost focusing power is usually replaced by one of three methods. The first method is the use of glasses (spectacles). The required lens power is high and the corrective lens quite thick. This option is less desirable for cataract surgery on one eye since the magnification caused by the one thick lens may hinder binocularity. The second option is to wear a contact lens. This option can be utilized for cataract surgery on one or both eyes. However, handling and tolerating a contact lens can be difficult for some children. The third option is to place a permanent IOL inside the eye, making compliance less of an issue.
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Why is an IOL used after childhood cataract surgery?
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