How does an eye become "lazy"?

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Answers:
i think you are mixed up . lazy does not refer to muscles of the eye or any other muscle. it refers to optic nerve function and is caused by essentially anything that interferes with the eyes recieving and transmitting an image to the brain. with time the brain starts to rely less on this eye and it becomes (lazy)

What is Amblyopia (lazy eye)?
Amblyopia, commonly known as lazy eye, is the eye condition noted by reduced vision not correctable by glasses or contact lenses and is not due to any eye disease. The brain, for some reason, does not fully acknowledge the images seen by the amblyopic eye. This almost always affects only one eye but may manifest with reduction of vision in both eyes. It is estimated that three percent of children under six have some form of amblyopia

Causes of Amblyopia

Both eyes must receive clear images during the critical period. Anything that interferes with clear vision in either eye during the critical period (birth to 6 years of age) can result in amblyopia (a reduction in vision not corrected by glasses or elimination of an eye turn). The most common causes of amblyopia are constant strabismus (constant turn of one eye), anisometropia (different vision/prescriptions in each eye), and/or blockage of an eye due to trauma, lid droop, etc. If one eye sees clearly and the other sees a blur, the good eye and brain will inhibit (block, suppress, ignore) the eye with the blur. Thus, amblyopia is a neurologically active process. The inhibition process (suppression) can result in a permanent decrease in the vision in that eye that can not be corrected with glasses, lenses, or lasik surgery

Treatment of Amblyopia

Amblyopia can be successfully treated up to the age of 17
According to current research, amblyopia can not be cured -- normal 20/20 stereo vision -- without early detection and treatment. However, treatment for older children and adults is usually successful in improving vision and should be attempted. Treatment of amblyopia after the age of 17 is not dependent upon age but requires more effort including vision therapy. Every amblyopic patient deserves an attempt at treatment.

Amblyopia causes more visual loss in the under 40 group than all the injuries, and diseases combined in this age group.

Other Answers:
sometimes a blow to the head

By sitting around and eating too much. poor vision in the eye usually causes your brain to ignore that eye and weakens it.

can be hereditary

genetic. it calls the lazy eye.

if you wear glasses and you stop wearing them it can cause it

well, it's really just caused by the muscle being weaker in one of your eyes than the other. Pretty much everyone has a "lazy" eye, just some are more noticable than others. It can also happen if you have some damage later in life to your muscle around your eyes or if you were to have a stroke or heart attack.

muscles become weak, working with your doctor, sometimes covering the other eye with a patch will help to work and strenghen the dropping lid.

Cosmetic surgary can level them, but often merley temp since it may continue to do so

Basically a muscle or muscles in the eye are underdeveloped or injured compaired the the opposite muscle(s) which always win the pulling contest. The muscles around the eye socket become weak. It can be fixed with special glasses. Demi Moore had a lazy eye when she was younger.

there are some diseases that cause it.I'm sure injury to the brain can cause it too.

What is Amblyopia (lazy eye)?
Amblyopia, commonly known as lazy eye, is the eye condition noted by reduced vision not correctable by glasses or contact lenses and is not due to any eye disease. The brain, for some reason, does not fully acknowledge the images seen by the amblyopic eye. This almost always affects only one eye but may manifest with reduction of vision in both eyes. It is estimated that three percent of children under six have some form of amblyopia.

Causes of Amblyopia
Both eyes must receive clear images during the critical period. Anything that interferes with clear vision in either eye during the critical period (birth to 6 years of age) can result in amblyopia (a reduction in vision not corrected by glasses or elimination of an eye turn). The most common causes of amblyopia are constant strabismus (constant turn of one eye), anisometropia (different vision/prescriptions in each eye), and/or blockage of an eye due to trauma, lid droop, etc. If one eye sees clearly and the other sees a blur, the good eye and brain will inhibit (block, suppress, ignore) the eye with the blur. Thus, amblyopia is a neurologically active process. The inhibition process (suppression) can result in a permanent decrease in the vision in that eye that can not be corrected with glasses, lenses, or lasik surgery.

It is due to work conditions, tiredness and lack of sleep where eyes become lazy to indicate that body needs rest. it can be genetic or if ur blind in one eye as you get older the blind eye cannot keep up with the other

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How does an eye become "lazy"?

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