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admin | frugal living tips and ideas | 05.02.2016
Amblyopia develops when the nerve pathways between the brain and eye are not properly stimulated. Early eye examination is key to detection and diagnosisOptometrists begin to see children as early as 6 months of age to screen for lazy eye and eye turns. The McGill University team discovered the popular tile-matching puzzle could train both eyes to work together. In a small study, in Current Biology with 18 adults, it worked better than conventional patching of the good eye to make the weak one work harder. The researchers now want to test if it would be a good way to treat children with the same condition. It happens when the vision in one eye does not develop properly, and is often accompanied by a squint – where the eyes do not look in the same direction. Without treatment it can lead to a permanent loss of vision in the weak eye, which is why doctors try to intervene early.
Normally, the treatment is to cover the strong eye with a patch so that the child is forced to use their lazy eye.
The child must wear the patch for much of the day over many months, which can be frustrating and unpleasant.
Dr Robert Hess and colleagues in Montreal set out to investigate whether a different approach might work. Armed with a special pair of video goggles they set up an experiment that would make both eyes work as a team.
Nine volunteers with amblyopia were asked to wear the goggles for an hour a day over the next two weeks while playing Tetris, the falling building block video game.
The goggles allowed one eye to see only the falling objects, while the other eye could see only the blocks that accumulate on the ground in the game.


For comparison, another group of nine volunteers with amblyopia wore similar goggles but had their good eye covered, and watched the whole game through only their lazy eye. At the end of the two weeks, the group who used both eyes had more improvement in their vision than the patched group. The researchers then let the patched group have a go at using the goggles with both eyes uncovered.
Dr Hess said the treatment could be a good alternative to patching, particularly for adults because they tend not to benefit from this anyway.
He said his research and other studies suggest amblyopia is actually a two-eye problem and that patching the good eye may hinder rather than help the weak one. Forcing both eyes to cooperate increases the level of plasticity or adaptability in the brain and allows the weak eye to relearn how to see, he said.
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As a result, the brain favors the eye with the clearer image and turns off or blocks the image from the eye with poor vision.
The most common cause of lazy eye is strabismus (eye turn or wandering eye) an imbalance in the muscles responsible for aligning the eyes resulting in one eye pointing in or out, up or down. Is the most severe type of amblyopia in terms of vision loss resulting from an obstruction that “deprives” the child of clear vision in the eye.
The result of a significant difference between the vision in each eye, due to nearsightedness, farsightedness or an imperfection on the surface of the eye (astigmatism) making it difficult for the eyes to focus together.
Alberta Health and Wellness covers yearly eye examination for children under the age of 18 years.
Ideally, the earlier the treatment is initiated the better the outcome as the connections between the eye and brain are forming.


So in preparation for the summer ahead we are ryan gosling movie filmed in schenectady ny you the chance to win this professional Stainless ryan gosling movie at tiff 6 Burner Gas Wagon Barbecue! Normal vision develops early in life when the brain learns to fuse the images from both the left and right eye forming a single image what is referred to as binocularity. When the eyes are not aligned, two different images are being sent to the brain resulting in double vision.
An infant has no way of telling his parents one of his eyes does not see as clear as the other. Lazy eye or amblyopia on the other hand is a reduction in vision that results from abnormal visual development in infancy and early childhood. As the brain suppress the lazy eye early in life, clear vision does not have a chance to develop and both eyes are not used together effectively resulting in reduced binocularity. The brain is then forced to turn off the image coming from the misaligned eye to create a single image. Since it is difficult for the visual system to fuse a clear image with a blurred image, the brain learns to suppress the blurred eye causing vision to stop developing in that eye.
Amblyopia is the leading cause of decreased vision among children affecting 2-3% of the population. Lazy eye is hereditary and commonly seen among children born prematurely or with a low birth weight, or have a family history childhood cataracts or a serious eye disease.



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