... the eyes) or stigmatism, though this and general vision
often improves towards middle age , when most ... as bright but angled reading lights, but their vision
cannot be corrected completely. Although surgery ... limited degree) the improvements in the albino's vision
that often come with age, the gain is generally ...
... complex eyes are used to provide the sense of vision
Contents showTocToggle("show","hide") ...
Evolution of the ... Optometry
Persistence of vision
Staring contest ...
can refer to:
Visual perception is one of the senses .
"Vision" can mean an imagined ... play on this sense of the word.
A company vision
may express a corporate long-term goal - not ...
... The reverse path has also been demonstrated; brain implants have been used to generate artificial hearing and (crude and experimental) artificial vision
for deaf and blind people, and brain pacemakers are now common to regulate brain activity in conditions such as Parkinson's disease .
Both of ...
... common presenting symptom is altered vision. Prolonged high blood glucose causes changes in the shape of the lens in the eye, leading to blurred vision
and, perhaps, a visit to an optometrist . All unexplained quick changes in eyesight should force a fasting blood glucose test. These are now quick ...
... Again this cannot be a full explanation because all that has been done is to place a little person in the brain behind the cortex. In the theory of vision
the Homunculus Argument invalidates theories that do not explain 'projection', the experience that the viewing point is separate from the things that ...
... of Ca 2+
Ca 2+ is used in a multitude of processes, among them muscle contraction, release of neurotransmitter from nerve endings, vision
in retina cells, proliferation , secretion , cytoskeleton management, cell motion , gene expression and metabolism . The three main ...
The vestibular system needs to be fast: if we want clear vision, head movements need to be compensated
almost immediately. Otherwise our vision
corresponds to a photograph taken with a shaky hand. To
achieve clear vision, signals from the semicircular canals are sent as directly as possible ...