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  2. Photorefractive keratectomy - Wikipedia

    en.wikipedia.org/wiki/Photorefractive_keratectomy

    While both procedures interact with the epithelium atop the cornea, the PRK procedure removes this entirely, while LASEK brushes the material away for the procedure, before being placed back for healing after laser surgery. [2] The procedure can be used to treat astigmatism, nearsightedness, and farsightedness. [3]

  3. What to Expect at Cataract Surgery - AOL

    www.aol.com/lifestyle/expect-cataract-surgery...

    Roughly 25 million Americans have cataracts, and more than half of people age 80 and above either currently have them or have had cataract surgery, per the U.S. National Institutes of Health ...

  4. Refractive surgery - Wikipedia

    en.wikipedia.org/wiki/Refractive_surgery

    The treatment is effective for myopia with astigmatism or otherwise irregular corneas, and reduces symptoms such as glare, halos, and night driving difficulty. [8] Refractive Lenticule Extraction (ReLEx): ReLEx "FLEx" (Femtosecond Lenticule Extraction): A femtosecond laser cuts a lenticule within the corneal stroma.

  5. Cataract surgery - Wikipedia

    en.wikipedia.org/wiki/Cataract_surgery

    Cataract surgery is one of the most cost-effective health interventions, since its economic benefits considerably exceed the cost of treatment. [ 131 ] [ 132 ] The 1998 World Health Report estimated 19.34 million people were bilaterally blind due to age-related cataracts, and that cataracts were responsible for 43% of all cases of blindness.

  6. Eye surgery - Wikipedia

    en.wikipedia.org/wiki/Eye_surgery

    Cataract surgery, using a temporal approach phacoemulsification probe (in right hand) and "chopper" (in left hand) being done under operating microscope at a Navy medical center A cataract is an opacification or cloudiness of the eye's crystalline lens due to aging, disease, or trauma that typically prevents light from forming a clear image on ...

  7. Global access to cataract surgery - Wikipedia

    en.wikipedia.org/wiki/Global_access_to_cataract...

    Improvements in vision help with daily activities, including work productivity and education. Cataract surgery reduces risk of falling and of dementia. It can prevent disability and is very cost effective, so it has large socioeconomic benefits, but the demand is great and the cost remains a large financial burden to public health systems. [10]