Dulley and Fells, in their 103 patient study, observed the fact that patients exposed to surgical reconstruction at least 6 months after the lesion took place, experimented 72% enophtalmus incidence when compared to the 20% frequency which occurred when patients were operated on during the 14 days after the trauma.
Dulley y Fells, en su estudio de 103 pacientes, notaron que los pacientes sometidos a reparación quirúrgica, al menos 6 meses después de la lesión, demostraron un 72% de incidencia de enoftalmos, comparado con un 20% cuando la cirugía se realizó dentro de los primeros 14 días posteriores al traumatismo.