Often referred to as a lazy eye, Amblyopia
is a condition that affects one's eyesight.
Most of the time the physical eye itself will be completely normal, but the mechanisms that cause it to focus, such as the eye muscles or rarely a defect of the brain, aren't working correctly, and thus the person is unable to focus their eyes on a single same spot.
Unlike Strabismus, which is a physical defect of the eye, causing it to shift off center when focusing on one object,amblyopia is usually caused by slow transmission of visual stimuli. When the eye sees an image, all of that information is transferred to the brain via a series of nerves and connections called the Optic Nerve.
In the worst conditions the nerve actually will only transmit intermittently, sometimes not at all, but there is always a delay between the information received from the Healthy Eye and the eye with amblyopia. Most humans begin to be affected by amblyopia when they are still in their infancy, and if caught early there is a higher chance that it can be successfully treated.
The symptoms of a Lazy Eye are poor vision, Blurry Vision, and sometimes a little bit of double vision.
Affecting roughly 5% of the human population, amblyopia is most often caused by abnormal development in the eyes during the early growth stages. As a child, there is a certain time frame that we experience known as the critical period in which most of the organ and sense development takes place. This period is about 2 years in humans, meaning that by the time we are two years of age we are already mostly developed in terms of sight, sound, touch, taste, and smell.
If any abnormality develops during this time and is left unchecked, it will very likely be there for the rest of your life. Despite this fact, it can still occur for the first time during the adult years, so Protecting Your Eyesight is very important no matter what age you are.
As far as treatment for this goes, there are a few different options available to both children and adults. One treatment, although not a cure, is to wear Prescription Glasses that have had each lens adjusted for the condition.
The amblyopic eye will require a stronger prescription than the healthy eye, and sometimes the Healthy Eye has no prescription adjustment at all. Other times, an Eye Care Specialist or Eye Care Professional such as a opthalmologists will recommend an eye patch over the healthy eye, thereby forcing the unhealthy eye to learn how to see and focus properly.
This method has been marginally successful in children as well as adults. It's a form of entrainment, or forced adaptive learning.
The best time to begin treatment for this condition is before the age of five, but if you are an adult with newly diagnosed lazy eye there are still options. The condition is not debilitating, and once gotten used to it's easy to forget that it is even there.
The following are some other Eye Conditions.
Optic Nerve Hypoplasia
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Amblyopia to Protect Your eyesight