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What are cataract surgery risks?

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As of 2015, the risks of cataract surgery include vision loss, infection, inflammation, retina detachment, glaucoma, swelling, bleeding and secondary cataract, according to Mayo Clinic. Complications are rare and can generally be treated successfully. Risks are greater for patients with other eye disease, such as glaucoma or macular degeneration.

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Many surgeons prescribe eye drops for the patient to use for several days before the surgery to prevent infection, Mayo Clinic states. After surgery, additional drops are often prescribed to reduce inflammation and manage eye pressure. It is common to experience itching and mild pain for a couple of days post-surgery.

Another complication is secondary cataract, or posterior capsule opacification, Mayo Clinic reports. It occurs when the back of the eye's lens, which is left to support a lens implant, becomes cloudy and affects vision. Secondary cataract is treated with a painless out-patient procedure in which a laser creates a hole in the lens.

A patients should contact his doctor if he has pain that cannot be controlled with over-the-counter pain relievers, his eye becomes redder or he loses vision, Mayo Clinic recommends. Flashes or multiple new eye floaters should be reported, and the physician should be notified if the patient experiences severe coughing, nausea or vomiting.

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