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Case of the week 56 ( May 2012 )
Huge Alternating Exotropia


      

Post-operative


28 years old young woman asking for cosmetic surgery to her huge out deviation of her eyes
Her parents told that they noticed this deviation at the age of 4 years , this is her first time to be examined by an ophthalmologist
VA 6/6 OD      6/6 OS
both eyes are emmetropic
Random dot stereogram showed no stereopsis


 

This girl has had an exotropia since early childhood. The angle in the primary position is large, 50 prism diopters . This may be an example of an intermittent exotropia progressing to a constant exotropia over time. Some surgeons feel strongly about operating earlier on exodeviations in infants and toddlers to avoid this.

The surgical treatment is :
1) Large bilateral lateral rectus recession 7.0 to 8.0 mm 
2)  Resection one medial rectus 7.0 mm .


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The Egyptian Site of Strabismus & Oculomotor Disorders