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U Of T Professors Devise Better Way To Test Sight In Babies - Research Papers

U Of T Professors Devise Better Way To Test Sight In Babies

In a darkened room at Toronto's Hospital for Sick Children, a baby, its
head dotted with electrodes, sits in its mother's lap and watches flashing
black and white checkerboards and stripes on a television screen. Soon
after the test, doctors will know if the child can see and how well it can
see.

The testing procedure, which involves measuring brain wave activity
prompted by visual stimuli (also called visual evoked potentials or VEP's)
has been perfected by Drs. Barry Skarf of the Department of Ophthalmology
and Moshe Eizenman of U of T's Institute

Their procedure is more accurate than tests used elsewhere because
Eizenman has developed a novel, real-time computer program to ...

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a visual problem is cognitive; to assess whether babies
who don't appear to see well will see better in the future; to determine a
course of treatment for such problems in which one eye turns in or is
weaker than the other eye. The second aspect of the researchers' work
involves the development of a stimulator for stereopsis, or binocular
vision, which is the fusing of images from both eyes into one picture that
has depth. "The problem with testing binocular vision, " explains Skarf,
"is that most stimuli presented to young children have other cues that
can be seen with one eye alone. We wanted to devise stimuli that can only
be seen by both eyes together and would produce specific brain waves to
the stimuli."

Based on a binocular stimulus invented by an American researcher, Eizenman
had developed a stimulus that generates a pattern on a tv screen which
looks like distortion (a snow storm) when viewed with only one eye, but
when viewed through special glasses with both eyes emits ...

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U Of T Professors Devise Better Way To Test Sight In Babies. (2005, November 21). Retrieved November 29, 2024, from http://www.essayworld.com/essays/U-T-Professors-Devise-Better-Way/36825

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"U Of T Professors Devise Better Way To Test Sight In Babies." Essayworld.com. November 21, 2005. Accessed November 29, 2024. http://www.essayworld.com/essays/U-T-Professors-Devise-Better-Way/36825.

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PAPER DETAILS

Added: 11/21/2005 01:29:10 PM
Category: Health & Medicine
Type: Premium Paper
Words: 547
Pages: 2

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