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  2. Astigmatism (optical systems) - Wikipedia

    en.wikipedia.org/wiki/Astigmatism_(optical_systems)

    Astigmatism can be often corrected by glasses with a lens that has different radii of curvature in different planes (a cylindrical lens), contact lenses, or refractive surgery. [5] Astigmatism is quite common. Studies have shown that about one in three people suffers from it. [6] [7] [8] The prevalence of astigmatism increases with age. [9]

  3. Astigmatism - Wikipedia

    en.wikipedia.org/wiki/Astigmatism

    Other symptoms can include eyestrain, headaches, and trouble driving at night. [1] Astigmatism often occurs at birth and can change or develop later in life. [5] If it occurs in early life and is left untreated, it may result in amblyopia. [2] The cause of astigmatism is unclear, although it is believed to be partly related to genetic factors.

  4. Alpins method - Wikipedia

    en.wikipedia.org/wiki/Alpins_method

    The intended putt (the path from the ball to the hole) corresponds to Alpins' target-induced astigmatism vector (TIA), which is the astigmatic change (by magnitude and axis) the surgeon intends to induce to correct the patient's pre-existing astigmatism to the derived or calculated target.

  5. Intraocular lens - Wikipedia

    en.wikipedia.org/wiki/Intraocular_lens

    A toric IOL is a type of toric lens used to correct preexisting corneal astigmatism at the time of cataract surgery. [20] Astigmatism can also be treated with limbal relaxing incisions or an excimer laser procedure. [21] [22] About 40% of Americans have significant astigmatism and thus may be candidates for a toric IOL. [22]

  6. Walking This Way Delivers A Similar Burn To Running—Without ...

    www.aol.com/walking-way-delivers-similar-burn...

    You can learn to use your arms more efficiently and you probably can get down to an 11-minute mile without any problem.” One of the most common mistakes Jackinsky sees beginner race walkers make ...

  7. Limbal relaxing incisions - Wikipedia

    en.wikipedia.org/wiki/Limbal_relaxing_incisions

    Limbal relaxing incisions (LRI) are a refractive surgical procedure to correct minor astigmatism in the eye. Incisions part way through the cornea are made at one side or at opposite edges of the cornea, following the curve of the iris, causing a slight flattening of the cornea in that area. [1]

  8. Finding the motivation to exercise is hard. These tips can help.

    www.aol.com/lifestyle/finding-motivation...

    We all need exercise — at least 150 minutes a week, in fact — but let’s face it: Working out just isn’t everyone’s cup of tea. And even fitness fanatics and top-tier athletes have those ...

  9. Corrective lens - Wikipedia

    en.wikipedia.org/wiki/Corrective_lens

    This can result in the low self-esteem of the eyeglass wearer and lead to difficulty in making friends and developing relationships. People with very high-power corrective lenses can benefit socially from contact lenses because these distortions are minimized and their facial appearance to others is normal.

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