Cataract Surgery
Cataract surgery is the the bulk effective and commonly performed surgical regimen in the United States. Patients who undergo cataract surgery experience ameliorated vision after the surgery. There are two procedures in cataract surgery. These are the phacoemulsification and the extracapsular surgery. Phacoemulsification Phacoemulsification is the the bulk common cataract surgery procedure. Small incision is made on the cornea's side and a tiny probe is inserted into the eye. In today's technology, laser probe or ultra sound is used to break the lens without harming the capsule. The debris is then suctioned for removal. A foldable intraocular lens (a clear, artificial lens that becomes a permanent part of the eye once inserted) is then inserted via the minute incision. It then unfolds once the intraocular lens is inside the capsule. The incision is self sealing so no sutures are required for this operation and the risk of astigmatism and quick pressure modifications within the eye are minimized. Phacoemulsification obtains best outcomes if the patient is within the early stage of cataract. Phacoemulsification does not call for special preparation though the measurement of your eye's length and corneal curvature is vital in calculating the power of the intraocular lens that is to be inserted in your eyes. An estimated ninety percent of patients who undergo phacoemulsification achieve a better vision. Extracapsular Surgery This type of cataract surgery requires a long incision in the cornea. The len's difficult center is removed in one piece while the rest of the lens is suctioned. The natural lens is removed and replaced with an intraocular lens (made of silicon, or a type of plastic known as PMMA, or acrylic). Multiple sutures are required to fasten the eye after surgery. The sutures must be tight to prevent astigmatism. Light is then able to pass via the retina thus improving the vision. After this type of cataract surgery the patient usually sees a blue tint around everything they see, this is because the cataract, before it was removed, blocks colors such as blues and violets. When the cataract is removed, the colors blue and violent will once again become clearer. On the other hand there are various complications of this type of cataract surgery or is more known as "after-cataract". After-cataract is a long term and average complication of patients who undergo this type of cataract surgery. Some part of the natural lens or the lens capsule that was not removed may become hazy and may deter vision months or years after the surgery. "YAG laser capsulotomy" is required in order to treat this complication. |
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