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  2. Multifocal intraocular lens - Wikipedia

    en.wikipedia.org/wiki/Multifocal_intraocular_lens

    Multifocal IOLs: achieve near and distance vision by having two (bifocal) or three (trifocal) focal points simultaneously. The function of multifocal IOL depends on the pupil size for refractive types. The concept is based on the principle that the pupil tends to constrict for near tasks, so the central portion of the lens is designed for near ...

  3. Cataract surgery - Wikipedia

    en.wikipedia.org/wiki/Cataract_surgery

    Cataract surgery is the most common application of lens removal surgery, and is usually associated with lens replacement. It is used to remove the natural lens of the eye when it has developed a cataract, a cloudy area in the lens that causes visual impairment. [4] [10] Cataracts usually develop slowly and can affect one or both eyes. [4]

  4. Intraocular lens - Wikipedia

    en.wikipedia.org/wiki/Intraocular_lens

    Intraocular lens. An Intraocular lens ( IOL) is a lens implanted in the eye usually as part of a treatment for cataracts or for correcting other vision problems such as short sightedness and long sightedness; a form of refractive surgery. If the natural lens is left in the eye, the IOL is known as phakic, otherwise it is a pseudophakic lens (or ...

  5. Original Medicare vs. Medicare Advantage: Which should you ...

    www.aol.com/finance/original-medicare-vs...

    May have lower costs. Where Medicare Advantage plans shine is in the additional benefits and the cost. Through a Medicare Advantage plan, you may have access to more services like dental, vision ...

  6. Here’s when Medicare will cover breast reduction surgery - AOL

    www.aol.com/finance/medicare-cover-breast...

    The cost of the surgery can be significant. According to ASPS, the average cost of a surgeon’s fee for cosmetic breast reduction is $6,771. Additional fees may include anesthesia and hospital or ...

  7. Clear lens extraction - Wikipedia

    en.wikipedia.org/wiki/Clear_lens_extraction

    Clear lens extraction, also known as refractive lensectomy, custom lens replacement or refractive lens exchange is a surgical procedure in which clear lens of the human eye is removed. Unlike cataract surgery , where cloudy lens is removed to treat cataract , clear lens extraction is done to surgically correct refractive errors such as high ...

  8. Adjustable-focus eyeglasses - Wikipedia

    en.wikipedia.org/wiki/Adjustable-focus_eyeglasses

    Adjustable focus eyeglasses are eyeglasses with an adjustable focal length. They compensate for refractive errors (such as presbyopia) by providing variable focusing, allowing users to adjust them for desired distance or prescription, or both. Current bifocals and progressive lenses are static, in that the user has to change their eye position ...

  9. Does Medicare cover knee replacement surgery? - AOL

    www.aol.com/finance/does-medicare-cover-knee...

    The average patient's out-of-pocket cost for a knee replacement or hip replacement is about $2,000. “If a patient has the procedure in a hospital and stays in the hospital as an inpatient ...