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  2. Astigmatism - Wikipedia

    en.wikipedia.org/wiki/Astigmatism

    Although astigmatism may be asymptomatic, higher degrees of astigmatism may cause symptoms such as blurred vision, double vision, squinting, eye strain, fatigue, or headaches. [7] Some research has pointed to the link between astigmatism and higher prevalence of migraine headaches.

  3. Astigmatism (optical systems) - Wikipedia

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

    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] Although a person may not notice mild astigmatism, higher amounts of astigmatism may cause blurry vision, squinting, asthenopia, fatigue, or headaches. [10] [11] [12]

  4. Visual snow syndrome - Wikipedia

    en.wikipedia.org/wiki/Visual_snow_syndrome

    Other common symptoms are palinopsia, enhanced entoptic phenomena, photophobia, and tension headaches. [10] [11] The condition is typically always present and has no known cure, as viable treatments are still under research. [12] Astigmatism, although not presumed connected to these visual disturbances, is a common comorbidity.

  5. Why astigmatism causes blurry vision, especially at night - AOL

    www.aol.com/news/why-astigmatism-causes-blurry...

    Blurry vision and headaches are symptoms of astigmatism. Astigmatism, a disorder that affects how the eyes focus light, can be exacerbated at night. Blurry vision and headaches are symptoms of ...

  6. Scintillating scotoma - Wikipedia

    en.wikipedia.org/wiki/Scintillating_scotoma

    Scintillating scotoma is a common visual aura that was first described by 19th-century physician Hubert Airy (1838–1903). Originating from the brain, it may precede a migraine headache, but can also occur acephalgically (without headache), also known as visual migraine or migraine aura. [ 4]

  7. Migraine - Wikipedia

    en.wikipedia.org/wiki/Migraine

    Migraine ( UK: / ˈmiːɡreɪn /, US: / ˈmaɪ -/) [ 11][ 12] is a genetically influenced complex neurological disorder characterized by episodes of moderate-to-severe headache, most often unilateral and generally associated with nausea and light and sound sensitivity. [ 1] Other characterizing symptoms may include vomiting, cognitive ...

  8. Keratoconus - Wikipedia

    en.wikipedia.org/wiki/Keratoconus

    Keratoconus ( KC) is a disorder of the eye that results in progressive thinning of the cornea. [ 3] This may result in blurry vision, double vision, nearsightedness, irregular astigmatism, [ 4] and light sensitivity leading to poor quality-of-life. [ 3][ 5] Usually both eyes are affected. [ 3] In more severe cases a scarring or a circle may be ...

  9. Management of migraine - Wikipedia

    en.wikipedia.org/wiki/Management_of_migraine

    Management of migraine. Migraine may be treated either prophylactically (preventive) or abortively (rescue) for acute attacks. [ 1] Migraine is an complex condition; there are various preventive treatments which disrupt different links in the chain of events that occur during a migraine attack. Rescue treatments also target and disrupt ...

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