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Study details clinical features of acute acquired concomitant esotropia
J AAPOS. 2011;15(4):317-320.
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A retrospective analysis of children with type 2 acute acquired concomitant esotropia showed that common clinical features are concomitance of strabismus and absence of an accommodative component. No neurological pathology was found.
Researchers studied the clinical features and surgical outcomes of 25 pediatric patients who underwent strabismus surgery to restore ocular alignment. Medical history and preoperative and postoperative ophthalmological and orthoptic exams were conducted for each patient.
All patients were followed for at least 12 months after surgery.
Results showed that 92% of patients were aligned within 8 ∆D or less of orthotropia; 60% regained normal stereovision and 24% experienced some amount of binocular vision. Patients who regained normal stereopsis had lower levels of binocularity at 1 day postop.
Absence of an accommodative component was found even if there were hyperopic refractive errors.
"The potential for normal binocular vision plays a key role in defining this entity," the researchers said. "The re-emergence of full stereopsis may take several years."