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People with RM have a reduced visual acuity, (usually about 0.1 or 20/200), have total color blindness, photo-aversion and nystagmus. The nystagmus and photo-aversion usually are present during the first months of life, and the prevalence of the disease is estimated to be 1 in 30,000 worldwide. [ 3 ]
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Eigengrau (German for "intrinsic gray"; pronounced [ˈʔaɪ̯gŋ̍ˌgʁaʊ̯] ⓘ), also called Eigenlicht (Dutch and German for "intrinsic light"), dark light, or brain gray, is the uniform dark gray background color that many people report seeing in the absence of light.
Several blind photographers attempt to capture images that reflect their mental image of their subject, often called the "mind's eye" [1] or "soul's eye". [11] Their work is often inspired by their senses [9] [1] and past memories. [11] The intention is not to capture the object as it is but rather to focus on art, creativity, and a sense of ...
A screen reader is a form of assistive technology (AT) [1] that renders text and image content as speech or braille output. Screen readers are essential to people who are blind, [2] and are useful to people who are visually impaired, [2] illiterate, or have a learning disability. [3]
For sighted people, dreaming is primarily a visual A new study published in the journal Sleep Medicine focused on how the blind dream. How people who are blind dream
An artist's representation of how some people may see phosphenes by retinal stimulation. A phosphene is the phenomenon of seeing light without light entering the eye. The word phosphene comes from the Greek words phos (light) and phainein (to show). Phosphenes that are induced by movement or sound may be associated with optic neuritis. [1] [2]
Tactile Apperceptive Agnosia can also affect blind people. A seventy-three year old woman, who was blind since she was born, had been 17 days post coronary bypass grafting, when she started to present some concerns related to her ability to read Braille properly, after being able to read it proficiently from the age of seven.