Quizzes & Puzzles9 mins ago
I'm angry
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.................very angry.
Media URL: http://www.dailymail.co.uk/news/article-2177689/University-sewed-kittens-eyes-shut-taxpayer-funded-brain-experiment-just-years-ago.html
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Treatment and prognosis
[edit] Treatments
Treatment of strabismic or anisometropic amblyopia consists of correcting the optical deficit (wearing the necessary spectacle prescription) and often forcing use of the amblyopic eye, either by patching the good eye, or by instilling topical atropine in the eye with better vision.[13] Yet, there is a drawback as the drops can have a side-effect of creating nodules in the eye which a correctional ointment can counteract. One should also be wary of over-patching or over-penalizing the good eye when treating for amblyopia, as this can create so-called "reverse amblyopia" in the other eye.[10][14]
Treatment of individuals age 9 through adult is possible through applied perceptual learning.[15][16]
Form deprivation amblyopia is treated by removing the opacity as soon as possible followed by patching or penalizing the good eye to encourage use of the amblyopic eye.[10] The earlier treatment is initiated, the easier and faster the treatment is and the less psychologically damaging.[citation needed] There is also a greater chance of achieving 20/20 vision if treatment is initiated as early as possible.[17]
[edit] Clinical trials and experiments
Although the best outcome is achieved if treatment is started before age 8, research has shown that children older than age 12 and some adults can show improvement in the affected eye. Children from 9 to 11 who wore an eye patch and performed near point activities (vision therapy) were four times as likely to show a two line improvement on a standard 11 line eye chart than amblyopic children who did not receive treatment. Adolescents aged 13 to 17 showed improvement as well, albeit in smaller amounts than younger children. It is uncertain whether such improvements are only temporary, however, particularly if treatment is discontinued.[10][18]
For adults, a 2004 study published in PNAS demonstrated that perceptual learning can be used to improve the vision of amblyopic adults.[19]
Virtual reality computer games where each eye receives different signals of the virtual world that the player's brain must combine in order to successfully play the game have shown some promise in improving both monocularity in the affected eye as well as binocularity.[20][21]
A recent study,[22] widely reported in the popular press,[23] has suggested that repetitive transcranial magnetic stimulation may temporarily improve contrast sensitivity and spatial resolution in the affected eye of amblyopic adults. These results await verification by other researchers.
[edit] Treatments
Treatment of strabismic or anisometropic amblyopia consists of correcting the optical deficit (wearing the necessary spectacle prescription) and often forcing use of the amblyopic eye, either by patching the good eye, or by instilling topical atropine in the eye with better vision.[13] Yet, there is a drawback as the drops can have a side-effect of creating nodules in the eye which a correctional ointment can counteract. One should also be wary of over-patching or over-penalizing the good eye when treating for amblyopia, as this can create so-called "reverse amblyopia" in the other eye.[10][14]
Treatment of individuals age 9 through adult is possible through applied perceptual learning.[15][16]
Form deprivation amblyopia is treated by removing the opacity as soon as possible followed by patching or penalizing the good eye to encourage use of the amblyopic eye.[10] The earlier treatment is initiated, the easier and faster the treatment is and the less psychologically damaging.[citation needed] There is also a greater chance of achieving 20/20 vision if treatment is initiated as early as possible.[17]
[edit] Clinical trials and experiments
Although the best outcome is achieved if treatment is started before age 8, research has shown that children older than age 12 and some adults can show improvement in the affected eye. Children from 9 to 11 who wore an eye patch and performed near point activities (vision therapy) were four times as likely to show a two line improvement on a standard 11 line eye chart than amblyopic children who did not receive treatment. Adolescents aged 13 to 17 showed improvement as well, albeit in smaller amounts than younger children. It is uncertain whether such improvements are only temporary, however, particularly if treatment is discontinued.[10][18]
For adults, a 2004 study published in PNAS demonstrated that perceptual learning can be used to improve the vision of amblyopic adults.[19]
Virtual reality computer games where each eye receives different signals of the virtual world that the player's brain must combine in order to successfully play the game have shown some promise in improving both monocularity in the affected eye as well as binocularity.[20][21]
A recent study,[22] widely reported in the popular press,[23] has suggested that repetitive transcranial magnetic stimulation may temporarily improve contrast sensitivity and spatial resolution in the affected eye of amblyopic adults. These results await verification by other researchers.
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