Now Playing: Correcting Vision After Cataract Surgery
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Following removal of the cataract, there are three methods of restoring useful vision.
The procedure we have just described includes the placement of a lens in the eye. The artificial lens is presently the most common method of correcting vision with cataract surgery. Your doctor will try to choose an implant to give you the best vision for distance, however, conventional eyeglasses with bifocals are usually needed - in addition to this lens - to achieve your clearest vision.
In some situations, the artificial lens simply cannot be placed. This is called aphakia. When this happens, glasses are another method to restore normal vision. Glasses required to correct your aphakia are usually thicker and heavier than conventional glasses. These glasses increase the size of objects by about 25% and clear vision is obtained through the middle part of the glasses. This means you must learn to turn your head to see clearly on either side. If a cataract is removed from only one eye, and an artificial lens cannot be implanted, these particular glasses cannot be used because they may cause double vision.
Contact lenses can also be used in this situation. A hard or soft contact lens increases the apparent size of objects only about 8%. The handling of contact lens is difficult for some people and not everyone can tolerate them. For near tasks, reading glasses will be required in addition to the contact lens.
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