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Topic: Binocular vision


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In the News (Fri 19 Apr 19)

  
 NationMaster - Encyclopedia: Binocular vision
Binocular vision is vision in which both eyes are used synchronously to produce a single image.
Binocular vision confers at least two further advantages over monocular vision: binocular summation in which the ability to detect faint objects is enhanced, and stereopsis in which parallax provided by the two eye's different positions on the head give precise depth perception.
Binocular vision (also called stereoscopic vision) is a type of visual system common in many kinds of animals where both the eyes produce only a single image in the brain.
www.nationmaster.com /encyclopedia/Binocular-vision   (523 words)

  
 Binocular vision - Wikipedia, the free encyclopedia   (Site not responding. Last check: 2007-11-01)
Binocular vision is vision in which both eyes are used together.
Such binocular vision is usually accompanied by singleness of vision or binocular fusion, in which a single image is seen despite each eye's having its own image of any object.
Binocular summation means that the detection threshold for a stimulus is lower with two eyes than with one.
www.sciencedaily.com /encyclopedia/binocular_vision   (1985 words)

  
 Paulo Sandler: BINOCULAR VISION’ AND THE PRACTICE OF PSYCHOANALYSIS   (Site not responding. Last check: 2007-11-01)
Binocular vision is seen as an useful aid to tolerate paradoxes, which seems to be a basic fact of human condition, and as a factor in the discovery and formulation of some fundamentals of psycho-analysis.
Binocular vision provides two points of view susceptible to be integrated, through commonsense, into a kind of ‘son’ or ‘daughter’.
Binocular vision helps him to express it (the baby that does not survive, which means life itself, and cannot be known; the envelope that cannot be sent because its content is lacking; the boy that cannot play).
www.psychematters.com /papers/psandler.htm   (3855 words)

  
 Binocular vision - Wikipedia, the free encyclopedia   (Site not responding. Last check: 2007-11-01)
pl:Widzenie stereoskopowe Binocular vision (also called stereoscopic vision) is a type of visual system common in many kinds of animals where both the eyes produce only a single image in the brain.
Binocular vision contributes to depth perception at close distances, within 18-20 feet; beyond that, the brain relies on less precise cues, such as shadows and parallax to generate depth information.
Binocular vision is a feature common amongst many hunting animals, but also amongst primates which rely upon it when navigating complex three-dimensional environments.
www.encyclopedia-online.info /Binocular_vision   (321 words)

  
 Binocular vision   (Site not responding. Last check: 2007-11-01)
Binocular vision (also called stereoscopic vision) is a type of visual system common in many kinds of animals where both the eyes produceonly a single image in the brain.
Binocular vision contributes todepth perception at close distances, within 18-20 feet; beyond that, the brain relies on less precise cues, such as shadows and parallax to generate depthinformation.
Binocular vision comes at the expense of a wider field of view, meaning that an animal must rely on other senses to see whatis behind it or on the periphery.
www.therfcc.org /binocular-vision-47411.html   (297 words)

  
 Binocular vision   (Site not responding. Last check: 2007-11-01)
Binocular vision (also called stereoscopic vision) is a type of visual system common in many kinds of animals both the eyes produce only a single image in brain.
Binocular vision is a feature common amongst hunting animals but also amongst primates which rely upon it when navigating three-dimensional environments.
Binocular vision comes at the expense of wider field of view meaning that an must rely on other senses to see is behind it or on the periphery.
www.freeglossary.com /Binocular_vision   (327 words)

  
 Encyclopedia :: encyclopedia : Vision   (Site not responding. Last check: 2007-11-01)
Vision statement, A corporate long-term goal - not to be confused with a mission statement (extending the religious metaphor).
Vision (York), one of the student newspapers of the University of York.
Visions (Libera), the fourth album released by the singing group, Libera.
www.hallencyclopedia.com /Vision   (166 words)

  
 "Comprehensive vision therapy information: faqs, links, pediatric eye care, lazy eyes, crossed-eyes, non-surgical, ...
Vision therapy is remarkably successful in rehabilitating all types of binocular vision impairments including amblyopia (lazy eye), strabismus (crossed-eyes), esotropia, exotropia, esophoria, exophoria, hypertropia, hyperphoria, as well as other binocular conditions.
Vision therapy (or orthoptics) is a completely medically accepted and proven practice when applied to binocular vision conditions, such as lazy eye and crossed eyes..
Vision therapy (or orthoptic therapy) is a very effective type of physical therapy for the brain and the eyes.
www.vision3d.com /eyecare/index.shtml   (2052 words)

  
 parenting: pediatric eye care, children's vision, lazy eye, esotropia, exotropia, exophoria, esophoria, convergence ...
These binocular vision impairments are easily detected by others as all the observer needs to do is notice that both eyes do not aim in the same direction at all times.
Vision therapy is remarkably successful in rehabilitating all types of binocular vision impairments including amblyopia (lazy eye), strabismus, esotropia, exotropia, hyperphoria, or loss of binocular fusion due to hyperopia (farsightedness), myopia (nearsightedness) or astigmatism in one eye.
The loss of binocular depth perception robs a person of more than just the possibility of being a professional baseball player or dentist children-special-needs.org asserts that the lack of binocular vision is a serious vision impairment that deserves more attention.
www.children-special-needs.org /questions.html   (2835 words)

  
 E2 3-D - binocular vision   (Site not responding. Last check: 2007-11-01)
One of the most accurate of those cues is binocular disparity, which takes advantage of the fact that most people have two eyes.
Binocular vision results when the brain combines these disparate images to determine true stereoscopic depth.
With stereo vision, we can see WHERE objects are in relation to us with much greater precision - especially when those objects are moving toward or away from us.
www.sue-davis.net /e23d/binocular.html   (275 words)

  
 Salk Institute for Biological Studies   (Site not responding. Last check: 2007-11-01)
Binocular vision is possible because some nerve cells (neurons) from the retina grow into the same side of the brain during embryonic development while others cross over into the opposite side of the brain.
Binocular vision is essential to all predatory animals, including humans, because it provides us with depth perception.
Thus, using this 'genetic reostat' nature appears to be able to 'dial up or down' the degree of binocular vision required in the developing animal simply by controlling the amount of Islet-2 produced by the retina.
www.salk.edu /news/releases/details.php?id=110   (388 words)

  
 vis
However, this increased peripheral vision compromises the amount of binocular vision.
Binocular vision aids in jumping, leaping, catching, and many other activities fundamental to predators.
Humans with perfect eyesight are said to have 20/20 vision-we can distinguish letters or objects at a distance of 20 feet.
www.gsdhelpline.com /vis.htm   (824 words)

  
 AOJ 47:164-171 "The Normal Field of Binocular Vision as Tested on the Goldmann Perimeter"   (Site not responding. Last check: 2007-11-01)
Plotting the monocular boundaries of vision with the crosshairs centered between the eyes as opposed to the pupil, results in an 11 degree smaller field of binocular vision along the horizontal axis.
The chin and head rest must be moved back 1.8 cm on average in order to plot the field of binocular vision accurately in terms of degrees.
A new binocular field template was established according to the modified protocol.
www.aoj.org /abstracts/47/47_164.html   (190 words)

  
 Development of binocular vision in the kittens (J Neuroscience 1992)   (Site not responding. Last check: 2007-11-01)
This is an important question to resolve since binocular cells in the visual cortex are thought to be the neural substrate for stereoscopic depth perception.
In the normal adult, we have shown in previous work that most binocular interaction in the visual cortex can be accounted for on the basis of linear summation.
An alternative possibility is that there is an elaborate genetic organization of binocular vision, but our study does not address this issue directly.
neurovision.berkeley.edu /publications/1992/JNeurosci92.html   (432 words)

  
 How Horses See
However, the horse's binocular vision is not as good as its monocular vision.
Some horses have better binocular vision than others because their eyes are set closer together.
One example of this would be teaching a roping horse to follow cattle at the correct distance, teaching barrel horses to judge the distance to the barrel to make a nice smooth turn round it or teaching a jumper to properly approach and jump each fence.
www.showhorsepromotions.com /horsessee.htm   (422 words)

  
 Journal of Vision - Does binocular vision contribute to gloss perception?, by Obein, Pichereau, Harrar, Monot, ...
The contribution of binocular vision to gloss perception has been suggested in the literature [1][2].
We speculate that the influence of binocular vision in gloss perception depends upon the strategy used by the observer to carry out his judgment.
We have also noticed that the benefit from binocular vision increases as the interpupillary distance of observers decreases.
www.journalofvision.org /4/11/73   (300 words)

  
 Howstuffworks "How 3-D Glasses Work"
To see how much of a difference the binocular vision system makes, have a friend throw you a ball and try to catch it while keeping one eye closed.
The binocular vision system relies on the fact that our two eyes are spaced about 2 inches (5 centimeters) apart.
Therefore, each eye sees the world from a slightly different perspective, and the binocular vision system in your brain uses the difference to calculate distance.
science.howstuffworks.com /3-d-glasses1.htm   (267 words)

  
 Oxford Strabismus Surgery Policy
The strabismus surgery policy is designed to ensure that members with eye muscle imbalance whose vision is adversely affected will have their strabismus surgery certified, if there is a reasonable chance that they will experience a functionally significant improvement in binocular vision.
Members age 17 and older, who have had strabismus for many years, without having achieved binocular vision, are unlikely to achieve binocular vision with strabismus surgery.
A marginal increase in “peripheral vision” that may or may not occur in a member with long-standing strabismus and long-standing loss of binocular vision is not a sufficient reason to certify strabismus surgery.
www.nysos.com /oxpstrab.htm   (530 words)

  
 General Binocular Vision Disorder  368
The symptoms and signs associated with general binocular vision disorder are related to visually demanding tasks and/or making spatial judgments.
NOTE: Additional testing may be appropriate as part of the differential diagnostic workup for general binocular vision dysfunction to rule out other concurrent medical conditions to differentiate associated visual conditions.
Therapeutic lenses may be prescribed at the conclusion of vision therapy for maintenance of long-term stability.
www.vision-therapy.com /general_binocular_vision_disorde.htm   (476 words)

  
 Binocular vision
Binocular Vision is a pioneer in crafting market development strategies for firms in the business of supporting the health and well being of older adults and the frail elderly.
The Binocular Vision Service provides treatment options for patients with crossed eyes, focusing problems, lazy eye (amblyopia), eye movement inefficiencies...
A squint or strabismus is a failure of the two eyes to look at the same object thereby preventing binocular vision.
www.logicjungle.com /wiki/Binocular_vision   (321 words)

  
 Binocular vision - The Jiggies Reference Guide   (Site not responding. Last check: 2007-11-01)
Most humans have binocular vision, unless they are affected by strabismus or a related condition.
In binocular vision, the eyes are forward-facing and cannot move independently of each other.
through accident to one of the eyes) may compensate for the loss through motion of the head; these shifts in perspective provide a rudimentary sort of binocular vision.
www.jiggies.com /reference/Binocular_vision   (306 words)

  
 BINOCULAR VISION ... binocular digital cameras, carson binocular, pentax binocular, nikon monarch binocular, digital ...   (Site not responding. Last check: 2007-11-01)
Kollomietzev binocular vision his head twice in an off-hand manner without looking at Solomin, but the latter looked at him and there was binocular vision sinister gleam in his half-closed eyes.
BINOCULAR VISION : two companions and, going up to him with long, firm strides, asked for his blessing and gave him a sounding smack on his moist, red hand, much to the discomfiture of the priest, who did not in the least expect this sort of outburst.
BINOCULAR VISION : turned out to be of a very poor kind; many of them were quite superfluous and a great many necessary ones were lacking.
www.heri-et-hodie.org /binocular-vision.html   (495 words)

  
 Success Stories - Correction of Adult Strabismus with Binocular Vision Therapy
Vision Therapy and binocular vision (or stereoscopic vision) exercises and therapy have immediate and worthwhile effects.
With such benefits, I can only conclude that my previous eye doctors' comments against pursuing binocular Vision Therapy were false because they were just based upon rumor and not upon experience.
I believe that you will find, as I have, that binocular vision and the result of a three-dimensional world are well worth the effort.
www.children-special-needs.org /vision_therapy/success_stories/adult_strabismus.html   (445 words)

  
 Optometry Today Bookshop:   (Site not responding. Last check: 2007-11-01)
This comprehensive text explains the diagnostic and optometric management procedures involved in the care of patients with binocular vision anomalies.
It provides thorough descriptions of the many binocular vision anomalies, describes the necessary testing procedures to correctly diagnose each disorder, and suggests the most appropriate management.
A manual for students, trainee and qualified optometrists, dispensing opticians and orthoptists, providing a comprehensive grounding in the investigation, assessment and management of binocular vision anomalies.
www.optometry.co.uk /shop/8/index.htm   (484 words)

  
 Binocular Vision with Primary Microstrabismus -- Harwerth and Fredenburg 44 (10): 4293 -- Investigative Ophthalmology & ...
For comparison of stereothresholds for normal binocular vision and microstrabismus, the open symbols represent data of five of the control subjects.
For this subject with normal binocular vision, the 6-pd base-in vergence stimulus produced a 9-arcmin esofixation disparity, designated by FD on the abscissa.
For each subject, the functions represented by different symbols, shown in the insets, were obtained with prism magnitudes that fully or partially compensated for the strabismic deviation, or in the cases of the microstrabismic patients, without compensation of the strabismic deviation.
www.iovs.org /cgi/content/full/44/10/4293   (7391 words)

  
 Eperjesi, Frank - Binocular Vision : A Practical Guide (isbn 0750650109) - new and used books   (Site not responding. Last check: 2007-11-01)
Combines a practical work book on binocular vision anomalies with a CD-Rom illustrating various eye movement disorders with practical advice.
Eperjesi, Frank Rundstrom, Michelle M. Practical Binocular Vision Assessment with CDROM
It combines a practical work book on binocular vision anomalies with a CD-Rom illustrating vario 112 pages.
www.isbn.pl /I-0750650109/Practical-Binocular-Vision-Assessment.html   (563 words)

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