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2. Prism correction - Wikipedia

   en.wikipedia.org/wiki/Prism_correction

   Yoked prism can move the image away from primary gaze without the need for a constant head tilt or turn. [1] Prism correction is measured in prism dioptres. A prescription that specifies prism correction will also specify the "base". The base is the thickest part of the lens and is opposite from the apex.

3. AMD Alliance International - Wikipedia

   en.wikipedia.org/wiki/AMD_Alliance_International

   AMD Alliance International is a non-profit coalition of the world’s leading vision, seniors and research organizations working to raise awareness of age-related macular degeneration, understanding of available options for prevention, early detection, treatment, rehabilitation and support services. It is the only international organization in ...

4. Homonymous hemianopsia - Wikipedia

   en.wikipedia.org/wiki/Homonymous_hemianopsia

   Hemianopsia, or hemianopia, is a visual field loss on the left or right side of the vertical midline. It can affect one eye but usually affects both eyes. Homonymous hemianopsia (or homonymous hemianopia) is hemianopic visual field loss on the same side of both eyes. Homonymous hemianopsia occurs because the right half of the brain has visual ...

5. Macular degeneration - Wikipedia

   en.wikipedia.org/wiki/Macular_degeneration

   The incidence of age-related macular degeneration and its associated features increases with age and is low in people <55 years of age. [100] Smoking is the strongest modifiable risk factor. [101] As of 2008, age-related macular degeneration accounts for more than 54% of all vision loss in the white population in the US. [102]

6. 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.

7. Micropsia - Wikipedia

   en.wikipedia.org/wiki/Micropsia

   Micropsia is a condition affecting human visual perception in which objects are perceived to be smaller than they actually are. Micropsia can be caused by optical factors (such as wearing glasses), by distortion of images in the eye (such as optically, via swelling of the cornea or from changes in the shape of the retina such as from retinal edema, macular degeneration, or central serous ...