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2. List of optometric abbreviations - Wikipedia

   en.wikipedia.org/wiki/List_of_optometric...

   Visual acuity with eye chart at Near 15.7 inches (400 mm) and without (sc: Latin sine correctore) correctors (spectacles); Ncc is with (cc: Latin cum correctore) correctors. See Visual_acuity#Legal_definitions: VA OS Left visual acuity VA OD Right visual acuity VDU Visual display unit VF Visual field VPS Variable prism stereoscope WD

3. Macular degeneration - Wikipedia

   en.wikipedia.org/wiki/Macular_degeneration

   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. Early on there are often no symptoms. Over time, however, some people experience a gradual worsening of vision that may affect one or both eyes.

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

   Peripheral prism spectacles expand the visual field of patients with hemifield visual defects and have the potential to improve visual function and mobility. Prism spectacles incorporate higher power prisms, with variable shapes and designs.

6. Amsler grid - Wikipedia

   en.wikipedia.org/wiki/Amsler_grid

   An Amsler grid, artist's conception, as it might be viewed by a person with age related macular degeneration. Amsler grid can be used in detecting central visual field defects in following conditions: Age-related macular degeneration: The grid will help detecting the progression of AMD from dry form to wet form.

7. Vitelliform macular dystrophy - Wikipedia

   en.wikipedia.org/wiki/Vitelliform_macular_dystrophy

   Vitelliform macular dystrophy is an irregular autosomal dominant eye disorder which can cause progressive vision loss. This disorder affects the retina, specifically cells in a small area near the center of the retina called the macula. The macula is responsible for sharp central vision, which is needed for detailed tasks such as reading ...