What is Amblyopia?
Amblyopia may be a condition that leads to reduced vision in one among the attention s thanks to an impaired coordination between the eye and therefore the brain.
it's not a results of any disease but is marked by a discount in vision that can't be corrected by glasses or contact lenses.
Although the attention appears normal, it's not getting used normally because the brain favours the functioning of the opposite eye (the good eye).
This condition is additionally sometimes mentioned as a“lazy eye”. it's estimated that approximately 1 in 50 children will develop a lazy eye.
Generally, children are diagnosed with this condition round the age of 4 , which suggests that the kid can see less clearly out of 1 eye and relies more on the “good” eye.
Causes of Amblyopia
Amblyopia is usually the results of poor visual development during the first years of an individual’s life.
it always occurs before the age of 8. Infants born prematurely or with low birth weight show a greater risk of developing this condition.
Brain doesn't fully acknowledge the pictures seen by the amblyopic eye. this will flow from to a discount within the amount of sunshine entering the attention , a scarcity of focus within the eye or confusion between the eyes – where the 2 images aren't an equivalent like a squint (a condition during which the eyes don’t look within the same direction).
Our eyes function sort of a camera. a picture enters through the lens of every eye and is concentrated onto the retina which may be a light sensitive layer of tissue.
The retina translates the image into nerve signals that are sent to the brain. The brain then combines the signals from each eye into a three-dimensional image.
the top results of all sorts of amblyopia is reduced vision within the affected eye. If left untreated, vision loss occurs thanks to the improper stimulation of nerve pathways between the brain and therefore the eye.
Symptoms of Amblyopia (Lazy Eye)
Amblyopia(lazy eye) doesn't usually cause symptoms. Younger children are often unaware that there's anything wrong with their vision and, albeit they're , they typically fail to explain their condition unlike the older children who may voice their concerns regarding the lack to ascertain clearly through one eye.In some cases one eye may look different from the opposite .
However, this is often usually a symbol of another condition that would cause a lazy eye, like Strabismus (squint). Strabismus is condition during which the eyes don’t look within the same direction.
Types of Amblyopia:
There are usually three differing types of Amblyopia seen among people:
Strabismic Amblyopia:
Strabismic amblyopia develops when the eyes aren't straight, wherein the attention may turn in, out, up or down.
In such a condition, the brain begins to ignore, or “turns off” the attention that's not straight leading to reduced vision therein eye.
Deprivation Amblyopia:
Deprivation amblyopia develops when cataracts or similar conditions “deprive” young children’s eyes of visual experience.
If not treated very early, these children never learn to ascertain well and may have very poor vision. Sometimes this type of amblyopia can affect both eyes.
Refractive Amblyopia:
Refractive amblyopia is observed in cases where there's an outsized or unequal amount of refractive error between a child’s eyes during which the brain learns the way to see well from the attention that has less need for glasses and doesn't learn to ascertain well from the attention that features a greater need for glasses.
The vision problem might not be easily identifiable because the child doesn't complain of blurred vision goodbye because the good eye compensates for the shortage of vision within the amblyopic eye.
Also, the attention affected with Amblyopia might not look much different from the traditional eye.
Hence, because the child’s eyes look normal, parents and physician might not suspect that there might be a drag .
For these reasons, this type of amblyopia in children might not be detected until the kid features a vision test.
Refractive Amblyopia can affect one or both eyes and may be best helped if the matter is detected early.
OPTOMETRY-SHARP VISION
Optometrist