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0: No or mild visual impairment – presenting visual acuity better than 6/18 Category 1: Moderate visual impairment – presenting visual acuity worse than...

Cortical visual impairment (CVI) is a form of visual impairment that is caused by a brain problem rather than an eye problem. (The latter is sometimes...

Visual impairment in art is a limited topic covered by research, with its focus being on how visually impaired people are represented in artwork throughout...

neurological visual impairment (NVI). NVI and its three subtypes—cortical blindness, cortical visual impairment, and delayed visual maturation—must be...

blindness or severe visual impairment over time. Congenital blindness is a hereditary disease and can be treated by gene therapy. Visual loss in children...

low vision or a neurological visual impairment. An example of a neurological impairment is a cortical visual impairment (CVI) which is defined as ".....

to the location of visual loss. The most commonly accepted theory for Charles Bonnet syndrome proposes that extreme visual impairment promotes sensory deafferentation...

Visual snow syndrome (VSS) is an uncommon neurological condition in which the primary symptom is that affected individuals see persistent flickering white...

of the eye, so often progress from color blindness to more severe visual impairments, up to and including total blindness. Physical trauma can cause color...

Communication disorders; Hearing impairments; Visual impairments; Mobility impairments; A learning disability or impairment in mental functioning. Each kind...

World Health Organization, the near visual acuity less than N6 or M0.8 at 40 cm is classified as near visual impairment. Presbyopia is physiological insufficiency...

degeneration, visual impairment due to macular edema secondary to retinal vein occlusion (branch RVO or central RVO), visual impairment due to diabetic...

skeletal structure also fall into this category. Visual impairment is another type of physical impairment. There are hundreds of thousands of people with...

which a form of visual impairment, caused by lesions in the occipital lobe, leaves the sufferer blind but able to distinguish visual stimuli with specific...

depression. Cataracts cause 51% of all cases of blindness and 33% of visual impairment worldwide. Cataracts are most commonly due to aging but may also occur...

neuropsychological side of visual information processing is known as visual perception, an abnormality of which is called visual impairment, and a complete absence...

exploring how the visually impaired can receive visual information through wearable devices. Some wearable devices for visual impairment include: OrCam device...

impairments (head injury, autism, developmental disabilities) and learning disabilities, (such as dyslexia, dyscalculia, or ADHD). Visual impairment,...

of impairment. For example: classes 11–13 are for visually impaired athletes, which class they are in depends on their level of visual impairment. There...

can be comorbid include visual impairment, hearing impairment, orthopedic impairment, autism, and speech/language impairment. A variety of medical problems...