I was recently asked to perform a
functional vision assessment on a student who had suffered a traumatic brain injury at a young age, leaving her unable to move her legs and restricting movements in her entire upper body.
Replacement of eyeball was performed in 12 dogs, but vision was regained in only three dogs (20% of dogs with proptosis) which is agreement with earlier findings that only 20% of proptosed globes gain some
functional vision (Miller, 2001).
"Visual function" and "
functional vision" are the key terms that differentiate the two core domains within the conceptual model.
This model helps to tease out the relationship between assessments of visual function (the integrity of the visual system) with
functional vision (how the person operates as an occupational being).
According to some patients' claims the device enabled useful
functional vision. The sensory perception obtained allowed simple navigation around the room, object outline detection and detection of light source direction and position.
10% and
functional vision (1/60-6/60) in 19.88 cases.
Conversely, many patients experience significant improvement in
functional vision even though their ability to read an eye chart changes little.
The idea is to improve the
functional vision of children who have sight issues due to a brain injury rather than damage to the eye itself.
Using the Opto Motry system (Cerebral Mechanics Inc.),
functional vision and contrast sensitivity can accurately be determined in both mice and rats.
Association between depression and
functional vision loss in persons 20 years of age or older in the United States, NHANES 2005-2008.
10 ( ANI ): A new case has been launched that turns your iPhone into a fully
functional vision camera at night.
Because some patients will have organic disease with a component of
functional vision loss, it is best to refer individuals whom you suspect of having
functional vision loss to an ophthalmologist for testing and a definitive diagnosis.