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  2. Wikipedia:Things to avoid when writing essays - Wikipedia

    en.wikipedia.org/wiki/Wikipedia:Things_to_avoid...

    Avoid using jargon. Assume that new users will read the essay, and not just experienced ones. Essays are regularly quoted on article talk pages, and it's possible for a newcomer to stumble on one. Avoid using shortcuts within an essay. Instead, write out the full name of the policy or guideline. Examples:

  3. Effects of long-term contact lens wear on the cornea - Wikipedia

    en.wikipedia.org/wiki/Effects_of_long-term...

    Corneal surface irregularity and asymmetry are also caused by long-term contact lens wear; these problems are sometimes correlated with astigmatism in contact lens wearers and are thought to be caused by hypoxia, surface molding, and chronic and mild trauma to the cornea from contact lens use. [1]

  4. Optics and vision - Wikipedia

    en.wikipedia.org/wiki/Optics_and_vision

    A corrective lens is a lens worn in front of the eye, mainly used to treat myopia, hyperopia, astigmatism, and presbyopia. The goal is to bring vision up to 20/20 vision or as close to this as possible. Glasses or "spectacles" are corrective lenses worn on the face a short distance in front of the eye.

  5. Astigmatism (optical systems) - Wikipedia

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

    Astigmatism causes difficulties in seeing fine detail. 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. Refractive error - Wikipedia

    en.wikipedia.org/wiki/Refractive_error

    When refractive errors in children are not treated, the child may be at risk of developing ambylopia, where vision may remain permanently blurry. [33] Because young children typically do not complain of blurry vision, the American Academy of Pediatrics recommends that children have yearly vision screening starting at three years old so that unknown refractive errors or other ophthalmic ...

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  8. Astigmatism - Wikipedia

    en.wikipedia.org/wiki/Astigmatism

    Against-the-rule astigmatism – the horizontal meridian is steepest (a rugby ball or American football standing on its end). [17] Oblique astigmatism – the steepest curve lies in between 120 and 150 degrees and 30 and 60 degrees. [17] Irregular astigmatism – principal meridians are not perpendicular.

  9. One Last Thing with David Schwimmer: All About His Last On ...

    www.aol.com/one-last-thing-david-schwimmer...

    The Emmy-nominated 'Friends' actor got sore after filming a scene for the new Hulu and Disney+ series 'Goosebumps: The Vanishing'