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Visual impairment is caused by factors including brain damage, vision loss, and others. [4] Of the vision rehabilitation techniques available, most center on neurological and physical approaches. According to the American Academy of Ophthalmology, "Provision of, or referral to, vision rehabilitation is now the standard of care for all who ...
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]
There are also surgical treatments for far-sightedness: Laser procedures. Photorefractive keratectomy (PRK): This is a refractive technique that is done by removal of a minimal amount of the corneal surface. [19] [20] Hyperopic PRK has many complications like regression effect, astigmatism due to epithelial healing, and corneal haze. [21]
Glasses may be all the treatment needed for some children. [2] [4] If this is not sufficient, treatments which encourage or force the child to use the weaker eye are used. [1] This is done by either using a patch or putting atropine in the stronger eye. [1] [8] Without treatment, amblyopia typically persists. [1]
A vision disorder is an impairment of the sense of vision. Vision disorder is not the same as an eye disease. Although many vision disorders do have their immediate cause in the eye, there are many other causes that may occur at other locations in the optic pathway.
NVI and its three subtypes—cortical blindness, cortical visual impairment, and delayed visual maturation—must be distinguished from ocular visual impairment in terms of their different causes and structural foci, the brain and the eye respectively. One diagnostic marker of this distinction is that the pupils of individuals with cortical ...
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