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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]
Optical correction using glasses or contact lenses is the most common treatment; other approaches include orthokeratology, and refractive surgery. [68]: 21–26 Medications (mostly atropine) and vision therapy can be effective in addressing the various forms of pseudomyopia. Compensating for myopia using a corrective lens
8.7% global prevalence in 2020 [2] Macular degeneration, also known as age-related macular degeneration (AMD or ARMD), is a medical condition which may result in blurred or no vision in the center of the visual field. [1] Early on there are often no symptoms. [1] Over time, however, some people experience a gradual worsening of vision that may ...
Olympic swimmer Ryan Lochte and his wife shared an Instagram reel this week showing clips of his road to recovery after near-fatal car crash almost a year ago.
Surgery [a] is a medical specialty that uses manual and instrumental techniques to diagnose or treat pathological conditions (e.g., trauma, disease, injury, malignancy), to alter bodily functions (e.g., malabsorption created by bariatric surgery such as gastric bypass), to reconstruct or improve aesthetics and appearance (cosmetic surgery), or to remove unwanted tissues (body fat, glands ...
Vision: different drugs as well as optic compensatory systems and prisms can be used to improve the symptoms of nystagmus or diplopia (double vision). [176] [177] [178] Surgery can also be used in some cases. [179] Walking : dalfampridine (ampyra) is a broad-spectrum potassium channel blocker. It is approved by the FDA to treat walking ...
Volume of Prism: Rhind Mathematical Papyrus problem number 46. [106] Volume of Pyramid: Volume of Frustum: The 14th problem of the Moscow Mathematical Papyrus calculates the volume of a frustum. Problem 14 states that a pyramid has been truncated in such a way that the top area is a square of length 2 units, the bottom a square of length 4 ...
D002585. MedlinePlus. 002911. [edit on Wikidata] Caesarean section, also known as C-section, cesarean, or caesarean delivery, is the surgical procedure by which one or more babies are delivered through an incision in the mother's abdomen. It is often performed because vaginal delivery would put the mother or child at risk. [2]