News tagged with visual acuity

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Brandeis studies evaluate visionary approach to improving eyesight

Medicine & Health / Diseases

created Dec 02, 2009 | popularity not rated yet | comments 0

Joseph Balboni loves sports. An avid tennis player and golfer, as well as baseball fan, the 46-year-old insurance agent became increasingly frustrated over time as his eyesight dimmed due to keratoconus, a degenerative eye ...


Experimental treatments restore partial vision to blind people

Medicine & Health / Neuroscience

created Oct 20, 2009 | popularity 5 / 5 (1) | comments 0

Two experimental treatments, a retinal prosthesis and fetal tissue transplant, restored some vision to people with blinding eye diseases. The findings, presented at Neuroscience 2009, the annual meeting of the Society for ...


Findings about veracity of peripheral vision could lead to better robotic eyes (w/ Video)

Medicine & Health / Research

created Oct 15, 2009 | popularity 4 / 5 (3) | comments 1

Two Kansas State University psychology researchers have found that although central vision allows our eyes to discern the details of a scene, our peripheral vision is most important for telling us what type of scene we're ...


Research into the contrast sensitivity of persons with varying levels of visual acuity

Medicine & Health / Other

created Dec 17, 2008 | popularity not rated yet | comments 0

The contrast sensitivity of persons with different visual acuity capabilities is experimentally analyzed. Test subjects observe a cathode ray tube monitor in a darkroom environment to determine their visual contrast sensitivity ...





Search results for visual acuity


Seeing without looking

Seeing without looking

Medicine & Health / Neuroscience

created Dec 28, 2009 | popularity 4.5 / 5 (11) | comments 2

Like a spotlight that illuminates an otherwise dark scene, attention brings to mind specific details of our environment while shutting others out. A new study by researchers at the Salk Institute for Biological ...


Ladder-walking locusts show big brains aren't always best

Ladder-walking locusts show big brains aren't always best

Biology / Plants & Animals

created Dec 24, 2009 | popularity 5 / 5 (7) | comments 1

Scientists have shown for the first time that insects, like mammals, use vision rather than touch to find footholds. They made the discovery thanks to high-speed video cameras - technology the BBC uses to ...


bee

Bees show off the perfect landing

Biology / Plants & Animals

created Dec 23, 2009 | popularity 4.5 / 5 (8) | comments 0

(PhysOrg.com) -- Honey bees undergo a sudden transition from speeding aircraft to hovering helicopter as they perform the delicate art of landing on a flower.


Do computers understand art?

Do computers understand art?

Technology / Computer Sciences

created Dec 23, 2009 | popularity 3.5 / 5 (2) | comments 0

A team of researchers from the University of Girona and the Max Planck Institute in Germany has shown that some mathematical algorithms provide clues about the artistic style of a painting. The composition ...


The number of 85-year-olds will increase by a third by 2020

Medicine & Health / Health

created Dec 23, 2009 | popularity 5 / 5 (1) | comments 0

Health and social care provision needs to be put in place for a large increase (33%) in the 85 year old population in the UK by 2020, according to a study published today in the British Medical Journal.


Seeing how evolutionary mechanisms yield biological diversity

Biology / Evolution

created Dec 22, 2009 | popularity not rated yet | comments 0

An international team of scientists has discovered how changes in both gene expression and gene sequence led to the diversity of visual systems in African cichlid fish.


Researchers crack part of the neuronal code

Researchers crack part of the neuronal code

Medicine & Health / Neuroscience

created Dec 22, 2009 | popularity 4.9 / 5 (7) | comments 0

(PhysOrg.com) -- Prostheses for paralysed patients, communication with patients who have lost all capacity for normal communication - the hopes for modern brain research are high. However, such brain-machine ...


Computer identifies authentic Van Gogh

Computer identifies authentic Van Gogh

Technology / Computer Sciences

created Dec 21, 2009 | popularity 4 / 5 (1) | comments 0

(PhysOrg.com) -- Dutch researcher Igor Berezhnoy has developed computer algorithms to support art historians and other art experts in their visual assessment of paintings. His digital technology is capable ...


Depression saps endurance of the brain's reward circuitry

Medicine & Health / Neuroscience

created Dec 21, 2009 | popularity 4.5 / 5 (6) | comments 1

A new study at the University of Wisconsin-Madison suggests that depressed patients are unable to sustain activity in brain areas related to positive emotion.


Wiggling and waggling: Study sheds light on amazing bee brain

Wiggling and waggling: Study sheds light on amazing bee brain

Biology / Plants & Animals

created Dec 21, 2009 | popularity 4.4 / 5 (10) | comments 0

(PhysOrg.com) -- Their brains are tiny - about the size of sesame seeds - and yet the behaviour of the humble honey bee is so advanced it has scientists scratching their heads in disbelief.



List of search results for visual acuity