Fig. 1

a (Patient 1) this 5-year old girl adopted a chinup position to compensate for her bilateral hypotropia, elevation deficiency, and ptosis. She also preferred a left face turn to fixate with her preferred right eye. With her compensatory head position there is a moderate left exotropia. b (Patient 2) this 22 month old boy adopted a chin-up position to compensate for his bilateral hypotropia, elevation deficiency, and ptosis. With his compensatory head position there was no horizontal strabismus