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Visual or vision impairment (VI or VIP) is the partial or total inability of visual perception.In the absence of treatment such as corrective eyewear, assistive devices, and medical treatment, visual impairment may cause the individual difficulties with normal daily tasks, including reading and walking. [6]
Visual agnosia is an impairment in recognition of visually presented objects. It is not due to a deficit in vision (acuity, visual field, and scanning), language, memory, or intellect. [1]
A long cane, the primary mobility tool for the visually impaired. A white cane is a device used by many people who are blind or visually impaired.A white cane primarily allows its user to scan their surroundings for obstacles or orientation marks, but is also helpful for onlookers in identifying the user as blind or visually impaired and taking appropriate care.
My face is unfortunate. It is lopsided. My eyes are different sizes and colors. My right eye is lazy, shriveled and blind; it moves like an out-of-control marble circling a drain.
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
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The majority of studies on blindsight are conducted on patients who are hemianopic, i.e. blind in one-half of their visual field.Following the destruction of the left or right striate cortex, patients are asked to detect, localize, and discriminate amongst visual stimuli that are presented to their blind side, often in a forced-response or guessing situation, even though they may not ...
In the 1980s, Jazz musician and composer Henry Butler, who was blind from infancy, experimented with photography; his work was published in various art galleries and events in 1985. [3] Seeing With Photography Collective, a group of blind and visually impaired photographers based in New York, was established in the early 1990s. [4]