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  2. Vitelliform macular dystrophy - Wikipedia

    en.wikipedia.org/wiki/Vitelliform_macular_dystrophy

    Over time, the abnormal accumulation of this substance can damage the cells that are critical for clear central vision. As a result, people with this disorder often lose their central vision and may experience blurry or distorted vision, and loss is rarely symmetric.

  3. Toxic and nutritional optic neuropathy - Wikipedia

    en.wikipedia.org/wiki/Toxic_and_nutritional...

    In both toxic and nutritional neuropathy, vision generally recovers to normal over several days to weeks, though it may take months for full restoration and there is always the risk of permanent vision loss. Visual acuity usually recovers before color vision.

  4. Visual prosthesis - Wikipedia

    en.wikipedia.org/wiki/Visual_prosthesis

    Visual prosthesis. A visual prosthesis, often referred to as a bionic eye, is an experimental visual device intended to restore functional vision in those with partial or total blindness. Many devices have been developed, usually modeled on the cochlear implant or bionic ear devices, a type of neural prosthesis in use since the mid-1980s.

  5. NASA-funded project helps people with vision loss enjoy solar ...

    www.aol.com/nasa-funded-project-helps-people...

    They can actually follow that sequence with the tactile." The celestial show that will cut an arc from Texas through Maine on Monday will be the last full solar eclipse visible in the U.S. until 2044.

  6. Anterior ischemic optic neuropathy - Wikipedia

    en.wikipedia.org/wiki/Anterior_ischemic_optic...

    Nonarteritic anterior ischemic optic neuropathy is an isolated white-matter stroke of the optic nerve (ON). NAION is the most common cause of sudden optic nerve-related vision loss, affecting more than 10,000 Americans every year, often bilaterally.

  7. Cortical blindness - Wikipedia

    en.wikipedia.org/wiki/Cortical_blindness

    In patients with acquired cortical blindness, a permanent complete loss of vision is rare. The development of cortical blindness into the milder cortical visual impairment is a more likely outcome. [2]

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