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الخميس، 19 فبراير 2009

Amblyopia, Or , lazy eye

Amplyopia is the loss of Vision In One or both eye

Symptoms:

Eyestrain
Overall poor visual acuity
Squinting or completely closing one eye to see
Headaches


Causes:

Trauma
strong uncorrected refractive error
strabismus


Amplyopia Stages :



Normal Vision: Both Eyes Look At An Object At The Same Time &Each Send Apicture To The Brain
The Two Picture Are Blended into ONE Image ( FUSION)1


One Eye Is Weaker Than The Other
Both Eye Do not Focus On one Object
As Aresult ,Two Different Images Sent To The Brain
One Is Clear , While The Other Is Blurred
Brain is unable to blend The two picture into One
As aresult , patient learn to ignore the blurry picture ( SUPPRESSION)2


When left Uncorrected , Week ( Blurry) eye will develop Loss of vision or ( AMPLYOPIA)3


Treatment :
- Treat the cause
- Then Amplyopia Is treated by :Forcen the weaker eye
through patching the Clear eye

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