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  2. Macular degeneration - Wikipedia

    en.wikipedia.org/wiki/Macular_degeneration

    8.7% global prevalence in 2020 [2] Macular degeneration, also known as age-related macular degeneration ( AMD or ARMD ), is a medical condition which may result in blurred or no vision in the center of the visual field. [1] Early on there are often no symptoms. [1] Over time, however, some people experience a gradual worsening of vision that ...

  3. Metamorphopsia - Wikipedia

    en.wikipedia.org/wiki/Metamorphopsia

    Metamorphopsia can be a symptom of a number of eye disorders involving the retina or macula. Some of these conditions include the following: Age-related macular degeneration; Epiretinal membrane and vitreomacular traction; Posterior vitreous detachment; Macular hole; Diagnosis

  4. Retinal implant - Wikipedia

    en.wikipedia.org/wiki/Retinal_implant

    A retinal implant is a visual prosthesis for restoration of sight to patients blinded by retinal degeneration. The system is meant to partially restore useful vision to those who have lost their photoreceptors due to retinal diseases such as retinitis pigmentosa (RP) or age-related macular degeneration (AMD).

  5. Homonymous hemianopsia - Wikipedia

    en.wikipedia.org/wiki/Homonymous_hemianopsia

    The Gottlieb button prism, and the Peli superior and inferior horizontal bands are some proprietary examples of prism glasses. These high power prisms "create" artificial peripheral vision into the non-blind field for obstacle avoidance and motion detection.

  6. Prism correction - Wikipedia

    en.wikipedia.org/wiki/Prism_correction

    Eye care professionals use prism correction as a component of some eyeglass prescriptions. A lens which includes some amount of prism correction will displace the viewed image horizontally, vertically, or a combination of both directions. The most common application for this is the treatment of strabismus.

  7. Epiretinal membrane - Wikipedia

    en.wikipedia.org/wiki/Epiretinal_membrane

    Diagnosis. Epiretinal membrane is typically diagnosed by appearance with optical coherence tomography (OCT) of the macula. Features include a thickening of the nerve fiber layer, a serrated appearance to the surface of the retina just beneath a thickened layer of glial tissue at the retinal-vitreous interface.

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