Why is it possible to have only one eye with bad vision and the other perfect?!

The eyes are so complex, that it's really not surprising that they can be different, most features on the human body can be separated down the bilateral symmetry line!. Ears can be different, arms or legs slightly different lengths etc!.Www@Answer-Health@Com

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as you have stated --lazy eye---itself is a reason for bad vision and other is good, since the deviating eye does not come parallel to the normal eye,and the deviating does not form the part and parcel of the vision (and as the Program of the binocular vision),the affected eye gradually looses the vision and the eye becomes bad eye,same condition also seen in one eye cataract changes the other being good one further such condition can be listed out in ophthalmology----read--www!.richmondeye!.c!.!.!. errorWww@Answer-Health@Com

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Why do some people prefer to to use the right hand over the left hand, why are most guys left legged,
Does the left side our body the same as the left!? Www@Answer-Health@Com

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