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  2. Bates method - Wikipedia

    en.wikipedia.org/wiki/Bates_method

    The Bates method is an ineffective and potentially dangerous alternative therapy aimed at improving eyesight.Eye-care physician William Horatio Bates (1860–1931) held the erroneous belief that the extraocular muscles caused changes in focus and that "mental strain" caused abnormal action of these muscles; hence he believed that relieving such "strain" would cure defective vision.

  3. Photopsia - Wikipedia

    en.wikipedia.org/wiki/Photopsia

    This can naturally occur with age. However, if it occurs too rapidly, it can cause photopsia which manifests in flashes and floaters in the vision . Typically, the flashes and floaters go away in a few months.

  4. Ocular myasthenia - Wikipedia

    en.wikipedia.org/wiki/Ocular_myasthenia

    Eyes may also be less able to adapt to variable weakness, because extraocular muscles use visual rather than proprioceptive (body position-sensing) cues for fine-tuning. Immunologic hypotheses proposes that there may be differences in the antibodies in ocular MG versus generalized MG that may favor the muscles responsible for eye movement and ...

  5. Recovery from blindness - Wikipedia

    en.wikipedia.org/wiki/Recovery_from_blindness

    In a similar analogy between vision and sightless (touch-only) experience, Bradford was able to visually read the time on the ward clock just after his operation. Before surgery Bradford was a machinist, but even after acquiring vision preferred working with his eyes closed to identify tools. He died two years after his operation due to a ...

  6. Visual impairment - Wikipedia

    en.wikipedia.org/wiki/Visual_impairment

    Visual or vision impairment (VI or VIP) is the partial or total inability of visual perception.In the absence of treatment such as corrective eyewear, assistive devices, and medical treatment, visual impairment may cause the individual difficulties with normal daily tasks, including reading and walking. [6]

  7. LASIK - Wikipedia

    en.wikipedia.org/wiki/LASIK

    LASIK or Lasik (/ ˈ l eɪ s ɪ k /; "laser-assisted in situ keratomileusis"), commonly referred to as laser eye surgery or laser vision correction, is a type of refractive surgery for the correction of myopia, hyperopia, and astigmatism. [1]

  8. Myopia - Wikipedia

    en.wikipedia.org/wiki/Myopia

    Near-sighted vision (left), normal vision (right) A myopic individual can see clearly out to a certain distance (the far point of the eye), but objects placed beyond this distance appear blurred . [ 16 ] [ 25 ] If the extent of the myopia is great enough, even standard reading distances can be affected.

  9. Optics and vision - Wikipedia

    en.wikipedia.org/wiki/Optics_and_vision

    Vision of humans and other organisms depends on several organs such as the lens of the eye, and any vision correcting devices, which use optics to focus the image. The eyes of many animals contains a lens that focuses the light of its surroundings onto the retina of the eye. This lens is essential to producing clear images within the eye.

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