Department of Ophthalmology National Center for Children''s Health Beijing Children’s Hospital Capital Medical University Beijing 100045 ChinaDepartment of Ophthalmology First Hospital Affiliated to Baotou Medical College Baotou 014010 Inner Mongolia Autonomous Region China;
Department of Ophthalmology National Center for Children''s Health Beijing Children’s Hospital Capital Medical University Beijing 100045 China;
Duplication; 19q; Esotropia; Strabismus; XRCC1; SMG9; Case report;