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to treat AMBLYOPIA two hours of daily game

to treat AMBLYOPIA

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Two hours of video games for lazy eye

to a child have been prescribed two hours daily with the most popular game console. And the cure works

LONDON - The little Ben, an English boy, was in danger of completely losing the sight from his left eye, as suffering from amblyopia, an alteration of the view commonly known as lazy eye ' due to the fact that the brain chooses' to focus the information that I come from one of the two eyes instead of two. In this way the eye 'excluded' becomes less and less "important" for the view and its function is progressively lost. The only effective cure for this situation is to put an eye patch "healthy" for several hours a day to force the brain to use the information that comes from the eye 'lazy', so cehe comes a little at a time rehabilitated. But children are very resistant to this therapy: often they take off the blindfold or are ashamed to have her in the presence of friends. In this resistance has probably found an effective solution Dr. Ken Nischal's Great Ormond Street Children's Hospital in London, which has "required" to little Ben least two hours per day of video games on one of the two most popular handheld console from Nintendo: the DS and Game Boy, but with the eye 'good' blindfolded.

THERAPY - Ben, oblivious to a visible blue band with spatial patterns, playing with his twin brother Jake to "Super Mario Kart," a driving game set in the bizarre world of the plumber, mascot of Nintendo. According to Maxine, mother of the child, with one week of treatment, the vision of Ben would be increased by 250 percent. "When she started the treatment he could not recognize our faces with his lazy eye - she said - but now unable to read, even though his left eye is still far from having become a regular feature." As you guessed "obligate" un bambino a due ore di videogiochi è un tipo di trattamento che risulta gradito, ma aldilà dell'aspetto ludico rappresenta un'ottima forma di allenamento poiché costringe l'occhio a continui movimenti alla ricerca del migliore punto di focalizzazione. Inoltre una consolle è per un bambino un oggetto familiare e facile da usare e consente ai medici di velocizzare i tempi di cura.

L'AMBLIOPIA – Di ambliopia soffre circa il 2 per cento della popolazione e il 4-5 per cento dei bambini. L'ambliopia viene ritenuta una delle prime cause di deficit visivo nei giovani di età inferiore ai venti anni.

Emanuela Di Pasqua

25 June 2010

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innovative gene therapies to correct the lazy eye in adults

amblyopia

A gene to see clearly

An American study opens the way for innovative gene therapies to correct the lazy eye in adults

amblyopia

A gene

see clearly An American study paves the way for innovative gene therapies to correct the lazy eye in adults

LONDON - If the lazy eye is not treated in childhood, the risk is that you had to face for the rest of life. But a study just published in Science opens new perspectives. Some American researchers, led by Takao K Hensch, Harvard Medical School in Boston, are in fact able to give a correct view with some adult mice by acting on a particular gene called a Lynx.
lazy eye - L ' amblyopia, lazy eye the technical name, is a condition characterized by decreased vision in one eye due to a deviation, that is a strabismus more or less evident, or the presence of visual defects such as nearsightedness, farsightedness or astigmatism, different between the two eyes for both type entity. Having to choose a preferred vision, it activates a brain mechanism that leads to the choice of the eye that looks better, so the view is developed especially in that eye. The eye with the visual defect is instead left a bit more 'on the sidelines so he can not develop a full view. This condition is particularly common in children in whom an early diagnosis and early intervention, you can get excellent results. Generally the full visual maturation occurs within 7-8 years, but exceeded this threshold, it becomes more difficult to improve, even partially, an eye with amblyopia depth. The new U.S. data, however, open new perspectives.
GENE THERAPY - The experts from overseas have performed genetic tests on some of the mice in order to identify specific molecules expressed mainly in adults. These experiments have identified a gene that Lynx is expressed much more clearly past the age of critical eye development. The next step was to create mutant mice without this gene. Well, this device has allowed to extend the maturational plasticity of the visual system thus giving the mice the possibility of recovering the correct vision and amblyopia. "One of the limitations in the treatment dell'ambliopia it is linked to the time when action is taken: to recognize and take action later in the lazy eye care is to have worse results - notes Paolo Nucci, director of St. Joseph Hospital of Ophthalmology - Clinical Oculistica Universitaria di Milano -. Una riattivazione genica che prolunghi la plasticità maturativa del sistema visivo è sperabile e molto ragionevole, ma purtroppo oggi si sa ancora poco su eventuali effetti indesiderati che spesso sono riscontrati utilizzando le tecniche di ingegneria genetica». Insomma una cosa è intervenire sull’animale da esperimento, altra è farlo sull’uomo. I nuovi risultati fanno comunque ben sperare, anche se la strada da percorrere per avere delle ricadute cliniche sarà sicuramente lunga e tortuosa.

Antonella Sparvoli
08 dicembre 2010

Contact Lenses In The Wrong Way

Video games are useful for ' lazy eye in adults

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study of 'University of California

Video games are useful for lazy eye in adults

Highlighted in venti persone un aumento del 30 per cento dell'acutezza visiva già dopo 40 ore passate a giocare

·       studio dell'University of California

I videogame sono utili
per l'occhio pigro negli adulti

Evidenziato in venti persone un aumento del 30 per cento dell'acutezza visiva già dopo 40 ore passate a giocare

MILANO - Non siete più dei bambini e dovete fare i conti with a lazy eye? Maybe you could help your having fun with a video game. For adults with lazy eye, amblyopia in medical terms, takes the field "the video game therapy." A study conducted at the University of California, just published in the journal PLoS Biology , indicates, in fact, already after 40 hours of "therapy" with the game (two hours each time for a total period of one month) is a significant improvement in visual acuity and, in some cases, the perception of depth. Amblyopia is a condition characterized by decreased vision in one eye is particularly common in children in whom the action taken early, can be successfully treated with the bandage of the eye that sees better than failing to stimulate.
EXPERIMENT - In adults, however there are few treatment options, which led U.S. researchers to try the way of game therapy. Preliminary data obtained on 20 individuals aged between 20 and 60 years are encouraging. In practice, participants were asked to play an action game in which they had to hit a target or a game where the aim was to build things, all having good eye bandaged. In both cases it was found an increase of 30 per cent of visual acuity after just 40 hours spent playing. In some individuals there was also an improvement of depth perception. The counter that the benefits were a result of time spent playing, not the bandage, the researchers have obtained another small experiment in which they asked some participants to put a good eye patch for 20 hours during normal daily activities such as watching television, reading, surfing the Web. Well in this case, there have been improvements, but when these same individuals have also made the video game therapy had benefits.
PLASTICITY - "We know for some time that any challenging visual activity and protracted tends to improve acuity in the eyes of amblyopic adults. The new data thus confirm that there is plasticity of the visual into adulthood - notes Paolo Nucci, professor of diseases of the eye at the University of Milan -. Some doubts concerning the improvement of depth perception (stereoacutezza). In the presence of an abnormal binocularity, is frankly hard to imagine that you re-establish a stereoscopic vision absent, while an improvement of an already present but defective stereoacutezza is common in those who apply for a long time at close range. In fact the study does not address a problem far more complex from the clinical point of view: what This facility is recovery? The present experiences indicate that the plasticity of the visual system of the adult although it may allow visual recovery, involves a similar risk of regression of the good results obtained. In short, playing video games could be a valid strategy, but it is unclear how long the benefits may persist.

Antonella Sparvoli
September 26, 2010 (Last updated: September 27, 2010) © PLAY PRIVATE