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  2. Gastric bypass surgery - Wikipedia

    en.wikipedia.org/wiki/Gastric_bypass_surgery

    Vitamin B 12 deficiency is quite common after gastric bypass surgery with reported rates of 30% in some clinical trials. [journal 13] Sublingual B 12 (cyanocobalamin) appears to be adequately absorbed. In cases where sublingual B 12 does not provide sufficient amounts, injections may be needed. Protein malnutrition is a real risk.

  3. Irvine–Gass syndrome - Wikipedia

    en.wikipedia.org/wiki/Irvine–Gass_syndrome

    After cataract surgery, patients with diabetes mellitus are generally acknowledged to have an increased risk of macular edema. [ 12 ] A prior history of retinal vein occlusion was the only significant preoperative risk factor in a large retrospective series of 1659 consecutive cataract surgeries.

  4. Cataract surgery - Wikipedia

    en.wikipedia.org/wiki/Cataract_surgery

    Cataract surgery and IOL implantation have the safest and highest success rates of any eye care-related procedures. As with any type of surgery, however, some level of risk remains. [7] Most complications of cataract surgery do not result in long-term visual impairment, but some severe complications can lead to irreversible blindness. [90]

  5. Manual small incision cataract surgery - Wikipedia

    en.wikipedia.org/wiki/Manual_small_incision...

    Complications after cataract surgery are relatively uncommon. Posterior vitreous detachment (PVD) may occur but does not directly threaten vision. [23] Some people develop a posterior capsular opacification (PCO), also called an after-cataract. This may compromise visual acuity, and can usually be safely and painlessly corrected using a laser.

  6. Bariatric surgery - Wikipedia

    en.wikipedia.org/wiki/Bariatric_surgery

    During the late 1960s, the initiation of bariatric surgery followed the development of a procedure to bypass portions of the stomach – the gastric bypass. [ 94 ] [ 95 ] [ 96 ] Sleeve gastrectomy (SG), is one of the most popular stomach reduction surgeries and was earliest performed in 1990 as a first-stage operation of duodenal switch (DS ...

  7. Phacoemulsification - Wikipedia

    en.wikipedia.org/wiki/Phacoemulsification

    Following cataract surgery, side-effects such as grittiness, watering, blurred vision, double vision or a red or bloodshot eye may occur, and will usually clear after a few days. Full recovery can take four-to-six weeks. [37]

  8. Cyanopsia - Wikipedia

    en.wikipedia.org/wiki/Cyanopsia

    The primary causes include post-cataract surgery, certain medications, and, less commonly, neurological or ophthalmological conditions. Post-cataract surgery is a common cause, as replacing the natural lens with a synthetic one increases exposure to blue light, leading to temporary blue-tinted vision. This effect usually resolves as the eye adapts.

  9. Vertical banded gastroplasty surgery - Wikipedia

    en.wikipedia.org/wiki/Vertical_banded_gastropla...

    About 30% of those who undergo VBG achieve normal weight, and about 80% achieve some degree of weight loss. Most studies have suggested that 10 years after surgery, only 10% of patients maintain a minimum weight loss of at least 50% of their total excess weight at the time of their initial surgery. Some patients regain weight.

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